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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Colorless to light yellow transparent liquid Conforms Assay 97%m

Top purity Cyclopentanecarbaldehyde with high quality and best price cas:872-53-7

Cas:872-53-7

Min.Order:1 Gram

FOB Price: $2.0 / 5.0

Type:Manufacturers

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Hangzhou Think Chemical Co. Ltd

Cyclopentanecarbaldehyde supplier CAS:872-53-7 Product name cyclopentanecarbaldehyde CAS NO. 872-53-7 Molecular formula C6H10O Molecular weight 98.14 g/mol

High purity Cyclopentanecarbaldehyde liquid

Cas:872-53-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Cyclopentanecarbaldehyde Manufacturer/High quality/Best price/In stock

Cas:872-53-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Cyclopentanecarboxaldehyde

Cas:872-53-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

CAS No.872-53-7 Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scie

CAS No.872-53-7 Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Manufacturer supply CAS 872-53-7 with best quality

Cas:872-53-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name: Cyclopentanecarbaldehyde Synonyms: CYCLOPENTYLMETHANAL;CYCLOPENTYLCARBALDEHYDE;CYCLOPENTANECARBALDEHYDE;CYCLOPENTANECARBOXALDEHYDE;RARECHEM AK ML 0065;Cyclopentanealdehyde;Cyclop

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Cyclopentanecarbaldehyde 872-53-7

Cas:872-53-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Cyclopentanecarbaldehyde CAS:872-53-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic i

Cyclopentanecarbaldehyde CAS:872-53-7

Cas:872-53-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:872-53-7

Cas:872-53-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Lab/Research institutions

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Hangzhou Fandachem Co.,Ltd

Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exportingCyclopentanecarboxaldehyde CAS:872-53-7, Please contact us by email freely. We are leading exporter in China. If you really need this

Cyclopentanecarboxaldehyde CAS:872-53-7 from fandachem

Cas:872-53-7

Min.Order:0 Metric Ton

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Type:Other

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Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and quality c

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:0

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Type:Lab/Research institutions

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

Cyclopentanecarbaldehyde/High quality/Best price

Cas:872-53-7

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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hangzhou verychem science and technology co.ltd

Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but fast growing company. In the twelve years history, it invested two pharmaceutical raw material production plants, one researching company, and several

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Metric Ton

FOB Price: $30.0

Type:Manufacturers

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TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: Cyclopentanecarbaldehyde CAS No.:872-53-7 Molecule Formula:C6H10O Molecule Weight:98.14 Purity: 97% Package: 25kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality Cyclopentanecarbaldehyde in stock

Cas:872-53-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: Cyclopentanecarbaldehyde CAS: 872-53-7 MF: C6H10O MW: 98.14 EINECS: 212-829-7 Mol File: 872-53-7.mol Cyclopentanecarbaldehyde Structure Cyclopentanecarbaldehyde Chemical Properties Boiling point 140-141 °C (l

Cyclopentanecarboxyldehyde

Cas:872-53-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Metric Ton

FOB Price: $4.0 / 6.0

Type:Trading Company

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Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:1 Kilogram

Negotiable

Type:Other

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Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Cyclopentanecarbaldehyde cas no. 872-53-7 98%

Cas:872-53-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

Cyclopentanecarbaldehyde

Cas:872-53-7

Min.Order:0

Negotiable

Type:Other

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JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

Cyclopentanecarboxyldehyde

Cas:872-53-7

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

3-bromo-4-[(3-fluorobenzyl)oxy]-5-methoxybenzaldehyde(SALTDATA: FREE)

Cas:872-53-7

Min.Order:0

Negotiable

Type:Manufacturers

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Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd a comprehensive enterprise, is located in High-Tech Science Park,Changsha,Chia . Specializing in R&D, manufacture and marketing, we provide a wide range of products and the most professional services to meet the

5-Bromo-2-methylphenol

Cas:872-53-7

Min.Order:0

Negotiable

Type:Manufacturers

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Synthetic route

Sodium; 1-oxa-spiro[2.4]heptane-2-carboxylate
89848-73-7

Sodium; 1-oxa-spiro[2.4]heptane-2-carboxylate

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With sulfuric acid stream of steam under a carbon dioxide atmosphere;100%
cyclohexane-1,2-epoxide
286-20-4

cyclohexane-1,2-epoxide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With erbium(III) triflate In dichloromethane for 5h; Heating;99%
With thorium dioxide at 330℃;
With phthalic anhydride
With magnesium bromide ethyl etherate Verdampfen des Aethers und Zersetzen des Reaktionsprodukts mit Wasser;
With aluminum oxide; lithium bromide In toluene for 2h; Heating;
carbon monoxide
201230-82-2

carbon monoxide

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

Cyclopentane
287-92-3

Cyclopentane

Conditions
ConditionsYield
With hydrogen; N-dodecyl-N-(2-hydroxyethyl)-N,N-dimethylammonium bromide; {Rh(cod)[μ-S(CH2)3Si(OMe)3]}2; triphenylphosphine In water; butan-1-ol at 80℃; under 10350.8 Torr; for 15h; microemulsion/sol-gel;A 98.5%
B 1.5%
cyclohexene
110-83-8

cyclohexene

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
Stage #1: cyclohexene With ammonium iodide; water; sodium dodecyl-sulfate for 0.5h;
Stage #2: With Oxone at 20℃; for 0.13h; regioselective reaction;
95%
With iodobenzene complex with boron trifluoride etherate In dichloromethane at -15 - -10℃; for 0.25h;60%
With iodosylbenzene; sulfuric acid for 72h; Ambient temperature;44%
cyclopentanecarboxylic acid
3400-45-1

cyclopentanecarboxylic acid

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With thexylchloroborane-Me2SO4 In dichloromethane for 0.25h; Ambient temperature;89%
Multi-step reaction with 2 steps
1: lithium aluminium hydride / diethyl ether
2: pyridinium chlorochromate
View Scheme
N′-(cyclopentylmethylene)-4-methylbenzenesulfonohydrazide
36601-82-8

N′-(cyclopentylmethylene)-4-methylbenzenesulfonohydrazide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With Cr-MCM-41 zeolite on silica gel for 0.116667h; microwave irradiation;88%
cyclopentanecarbaldehyde oxime
70341-45-6

cyclopentanecarbaldehyde oxime

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With Cr-MCM-41 zeolite on silica gel for 0.133333h; microwave irradiation;86%
cyclohexene
110-83-8

cyclohexene

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

cyclohexanone
108-94-1

cyclohexanone

C

Cyclohex-2-enol
822-67-3

Cyclohex-2-enol

Conditions
ConditionsYield
With dipotassium peroxodisulfate; copper(II) sulfate In water; acetonitrile at 60℃; for 6h;A 80%
B 2%
C 7%
1-amino-cyclopentanemethanol
3637-61-4

1-amino-cyclopentanemethanol

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With Celite; pyridinium chlorochromate In dichloromethane at 20℃; for 16h;78%
With dipyridinium dichromate In dichloromethane for 24h; Ambient temperature;10%
With copper oxide-chromium oxide catalyst at 300℃;
N-Formylpiperidine
2591-86-8

N-Formylpiperidine

cyclopentylmagnesium bromide
33240-34-5

cyclopentylmagnesium bromide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
In diethyl ether for 15h; Ambient temperature;72%
4-morpholinecarboxaldehyde
4394-85-8

4-morpholinecarboxaldehyde

cyclopentylmagnesium bromide
33240-34-5

cyclopentylmagnesium bromide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
In diethyl ether for 0.5h; Ambient temperature;69%
carbon monoxide
201230-82-2

carbon monoxide

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

cyclopentane-1,3-bis(carboxaldehyde)
4750-17-8

cyclopentane-1,3-bis(carboxaldehyde)

Conditions
ConditionsYield
With 2,2'-bis((diphenylphosphino)methyl)-1,1'-biphenyl; dirhodium tetraacetate; hydrogen; triethylamine In toluene at 100℃; under 22502.3 Torr; for 3h; Kinetics; Reagent/catalyst; Autoclave;A 56%
B 18%
With dirhodium tetraacetate; hydrogen; triethylamine; bis-diphenylphosphinomethane In toluene at 100℃; under 22502.3 Torr; for 3h; Kinetics; Autoclave;A 9%
B 10%
methanol
67-56-1

methanol

cyclohexene
110-83-8

cyclohexene

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

3-methoxycyclohexene
2699-13-0

3-methoxycyclohexene

C

1,2-dimethoxycyclohexane
19752-95-5

1,2-dimethoxycyclohexane

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; sulfuric acid at -15℃; for 2.33333h;A 42%
B n/a
C n/a
N-Formylpiperidine
2591-86-8

N-Formylpiperidine

Cyclopentyl bromide
137-43-9

Cyclopentyl bromide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With iodine; magnesium In tetrahydrofuran; diethyl ether at 20℃; for 1.5h;37.8%
Stage #1: Cyclopentyl bromide With iodine; magnesium In tetrahydrofuran at 20℃;
Stage #2: N-Formylpiperidine In diethyl ether at 20℃; for 1.5h;
37.8%
carbon monoxide
201230-82-2

carbon monoxide

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With dirhodium tetraacetate; 2,3-bis(diphenylphosphino)bicyclo-[2.2.1]hept-5-ene; hydrogen; triethylamine In toluene at 100℃; under 22502.3 Torr; for 3h; Kinetics; Reagent/catalyst; Autoclave;29%
1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

hexahydrobenzo[d][1,3]dioxol-2-one

hexahydrobenzo[d][1,3]dioxol-2-one

Conditions
ConditionsYield
With isocyanate de chlorosulfonyle In benzene 1.) 0 deg C, 2.) reflux, 0.5 h;A 10%
B n/a
carbon monoxide
201230-82-2

carbon monoxide

acetone
67-64-1

acetone

cyclopentene
142-29-0

cyclopentene

A

(R)-4-cyclopentyl-4-hydroxy-2-butanone

(R)-4-cyclopentyl-4-hydroxy-2-butanone

B

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

C

(S)-4-cyclopentyl-4-hydroxy-2-butanone

(S)-4-cyclopentyl-4-hydroxy-2-butanone

Conditions
ConditionsYield
With triphenyl phosphite; hydrogen; acetylacetonatodicarbonylrhodium(l); L-proline at 40℃; for 72h; Title compound not separated from byproducts.;A n/a
B 6%
C n/a
Tetrahydropyran-2-methanol
100-72-1

Tetrahydropyran-2-methanol

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With aluminum oxide at 420 - 450℃;
phthalic anhydride
85-44-9

phthalic anhydride

cyclohexane-1,2-epoxide
286-20-4

cyclohexane-1,2-epoxide

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

C

cyclohexa-1,3-diene
1165952-91-9

cyclohexa-1,3-diene

1-methyl-4-nitrosobenzene
623-11-0

1-methyl-4-nitrosobenzene

trans-2-hydroxycyclohexyl p-toluenesulfonate
15051-90-8, 89959-75-1, 99835-44-6, 132961-67-2

trans-2-hydroxycyclohexyl p-toluenesulfonate

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

1-cyclopentene-1-carboxaldehyde
6140-65-4

1-cyclopentene-1-carboxaldehyde

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With diethyl ether; palladium Hydrogenation;
With hydrogen; palladium on activated charcoal
With hydrogen; palladium on activated charcoal In methanol
1-Methylol-1-hydroxycyclopentan
74397-18-5

1-Methylol-1-hydroxycyclopentan

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With sulfuric acid
1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With phthalic anhydride
cyclopentanecarbaldehyde diethylacetal
32122-35-3

cyclopentanecarbaldehyde diethylacetal

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With sulfuric acid
With diclazuril; water-d2 In acetone at 23℃; Rate constant;
2-Iodo-cyclohexanol
28141-32-4

2-Iodo-cyclohexanol

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With silver nitrate
With sodium bromate; sulfuric acid; sodium bromide In methanol; 1,2-dichloro-ethane at 0 - 10℃;
(+/-)-trans-2-sulfooxy-1-methoxy-cyclohexane

(+/-)-trans-2-sulfooxy-1-methoxy-cyclohexane

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
Erhitzen;
trans-1,2-cyclohexandiol
1460-57-7

trans-1,2-cyclohexandiol

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With carbon dioxide; sulfuric acid at 150℃;
With nitric acid at 85℃;
With aluminum oxide; nitrogen at 250 - 300℃; unter vermindertem Druck;
With aluminum oxide; water at 250 - 300℃; unter vermindertem Druck;
Multi-step reaction with 2 steps
1: (i) NaIO4, (ii) KOH
2: H2 / Pd-C
View Scheme
trans-2-chlorocyclohexanol
6628-80-4

trans-2-chlorocyclohexanol

ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
nachfolgend Einw. von Magnesiumbromid-aetherat;
trans-2-chlorocyclohexanol
6628-80-4

trans-2-chlorocyclohexanol

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

Conditions
ConditionsYield
With ethylmagnesium bromide nachfolgend Einw. von Magnesiumbromid-aetherat;
trans-2-chlorocyclohexanol
6628-80-4

trans-2-chlorocyclohexanol

A

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

B

1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

Conditions
ConditionsYield
With sulfuric acid
With calcium chloride
diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(E)-ethyl 3-cyclopentylprop-2-enoate
2931-23-9, 17343-83-8

(E)-ethyl 3-cyclopentylprop-2-enoate

Conditions
ConditionsYield
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran at 0℃; for 1h; Wadsworth-Horner-Emmons reaction;
Stage #2: cyclopentanealdehyde In tetrahydrofuran at -78 - 20℃; for 1h;
100%
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran at 0℃; for 1h; Inert atmosphere;
Stage #2: cyclopentanealdehyde In tetrahydrofuran at 20℃; for 17h; Inert atmosphere;
58%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

aniline
62-53-3

aniline

(N-phenyl)aminomethylcyclopentane
84257-36-3

(N-phenyl)aminomethylcyclopentane

Conditions
ConditionsYield
With ammonium formate; palladium on activated charcoal In methanol; water at 20℃; for 0.5h;100%
Stage #1: cyclopentanealdehyde; aniline With 1-{6-[dibutyl(chloro)stannyl]hexyl}-3-methyl-1H-imidazolium iodide at 20℃; for 0.166667h;
Stage #2: With phenylsilane at 20℃; for 4h;
88%
Stage #1: cyclopentanealdehyde; aniline In dichloromethane at 20℃; for 4h;
Stage #2: With sodium tris(acetoxy)borohydride In dichloromethane at 20℃;
70%
With tetra(n-butyl)ammonium hydrogensulfate; dimethyl sulfoxide at 20℃; for 5h; Electrolysis;12%
ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-3-pyrrolidinyl]amino}-3-pyridyl)acrylate dihydrochloride

ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-3-pyrrolidinyl]amino}-3-pyridyl)acrylate dihydrochloride

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-1-(cyclopentylmethyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate
876160-33-7

ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-1-(cyclopentylmethyl)-3-pyrrolidinyl]amino}-3-pyridinyl)acrylate

Conditions
ConditionsYield
Stage #1: ethyl (2E)-3-(6-{(tert-butoxycarbonyl)[(3R)-3-pyrrolidinyl]amino}-3-pyridyl)acrylate dihydrochloride; cyclopentanealdehyde With N-ethyl-N,N-diisopropylamine In 1,2-dichloro-ethane at 20℃; for 0.0833333h;
Stage #2: With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane for 2h;
Stage #3: With sodium hydrogencarbonate In water; 1,2-dichloro-ethane
100%
N-phenyl-maleimide
941-69-5

N-phenyl-maleimide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(S)-1-(2,5-dioxo-1-phenylpyrrolidin-3-yl)cyclopetanecarboxaldehyde
1242461-34-2

(S)-1-(2,5-dioxo-1-phenylpyrrolidin-3-yl)cyclopetanecarboxaldehyde

Conditions
ConditionsYield
With (S)-3-amino-3-phenylpropanoic acid; caesium carbonate In dichloromethane at 20℃; for 48h; Michael Addition; enantioselective reaction;100%
With NH2-Phg-(D-Pro)-Gly-Leu-OH In acetonitrile at 20℃; for 72h; Michael Addition; enantioselective reaction;95%
Stage #1: cyclopentanealdehyde With dmap; tert-butyl (2S,3R)-2-amino-3-hydroxybutanoate; SULFAMIDE In dichloromethane at 23℃; for 0.0333333h; Michael addition;
Stage #2: N-phenyl-maleimide In dichloromethane at 23℃; for 16h; Michael addition; optical yield given as %ee; enantioselective reaction;
93%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

methyl 2-{(2R,4S,5S)-5-amino-4-[4-(trifluoromethyl)phenyl]tetrahydro-2H-pyran-2-yl}acetate hydrochloride
1316756-78-1

methyl 2-{(2R,4S,5S)-5-amino-4-[4-(trifluoromethyl)phenyl]tetrahydro-2H-pyran-2-yl}acetate hydrochloride

methyl 2-{(2R,4S,5S)-5-[bis(cyclopentylmethyl)amino]-4-[4-(trifluoromethyl)phenyl]tetrahydro-2H-pyran-2-yl}acetate
1316757-04-6

methyl 2-{(2R,4S,5S)-5-[bis(cyclopentylmethyl)amino]-4-[4-(trifluoromethyl)phenyl]tetrahydro-2H-pyran-2-yl}acetate

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid In tetrahydrofuran at 20℃; for 6h;100%
N-phenyl-maleimide
941-69-5

N-phenyl-maleimide

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(R)-1-(2,5-dioxo-1-phenylpyrrolidin-3-yl)cyclopentane-1-carbaldehyde
1319746-63-8

(R)-1-(2,5-dioxo-1-phenylpyrrolidin-3-yl)cyclopentane-1-carbaldehyde

Conditions
ConditionsYield
With L-Asp(t-Bu); potassium hydroxide In dichloromethane at 20℃; for 48h; Michael Addition; enantioselective reaction;100%
With C64H94N6O4S2 In dichloromethane at 20℃; Michael Addition; enantioselective reaction;95%
With 2-({[(1R,2R)-2-aminocyclohexyl]amino}{[3,5-bis(trifluoromethyl)benzyl]amino}methylidene)-2,3-dihydro-1H-indene-1,3-dione; benzoic acid In para-xylene at 40℃; for 48h; Michael Addition; enantioselective reaction;95%
With 1-[(1R,2R)-2-aminocyclohexyl]-3-[4-(n-perfluorooctyl)phenyl]-thiourea; benzoic acid In dichloromethane at 20℃; for 76h; asymmetric Michael addition; optical yield given as %ee; enantioselective reaction;92%
With 1H-imidazole; 1-[(1S,2S)-2-aminocyclohexyl]-2,3-diisopropylguanidine In water; N,N-dimethyl-formamide at 0℃; for 96h; Michael Addition; enantioselective reaction;92%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

cyclopentylmethyl cyclopentanecarboxylate

cyclopentylmethyl cyclopentanecarboxylate

Conditions
ConditionsYield
With [(ImtBuN)U{N(SiMe3)2}3] In benzene-d6 at 20℃; for 12h; Reagent/catalyst;100%
With C48H69N3Th In benzene-d6 at 20℃; for 3h; Reagent/catalyst; Tishchenko-Claisen Dismutation; Glovebox; Inert atmosphere;100 %Spectr.
With C38H53N3Th In benzene-d6 at 20℃; for 24h; Reagent/catalyst; Time; Glovebox;
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

benzylamine
100-46-9

benzylamine

(E)-N-benzyl-1-cyclopentylmethanimine

(E)-N-benzyl-1-cyclopentylmethanimine

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane at 20℃; for 21h;100%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

nitromethane
75-52-5

nitromethane

(R)-(-)-2-nitro-(1-cyclopentyl)ethanol

(R)-(-)-2-nitro-(1-cyclopentyl)ethanol

Conditions
ConditionsYield
With C36H44N4O4S2; copper(I) bromide In methanol at 20℃; for 36h; Henry reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction;99%
With potassium hydroxide; potassium iodide; C55H69F12N7S2*ClH In water; toluene at 0℃; for 5h;76%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

[N-(p-tolylsulfonyl)imino]phenyliodinane
55962-05-5

[N-(p-tolylsulfonyl)imino]phenyliodinane

N-tosylcyclopentanecarboxamide
121239-32-5

N-tosylcyclopentanecarboxamide

Conditions
ConditionsYield
Ru(5,10,15,20-tetrakis(p-tolyl)porphyrinato)(CO) In dichloromethane at 20℃; for 0.5h;99%
With pyridine; iron(II) chloride In dichloromethane at 20℃; for 18h; Molecular sieve; Inert atmosphere;99%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

1-methoxy-2-((E)-2-nitrovinyl)benzene
3316-24-3

1-methoxy-2-((E)-2-nitrovinyl)benzene

A

(R)-1-[1-(2-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde
1198362-14-9

(R)-1-[1-(2-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde

B

(S)-1-[1-(2-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde

(S)-1-[1-(2-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde

Conditions
ConditionsYield
7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide at 0℃; for 12h; Product distribution / selectivity; Michael addition reaction;A 99%
B n/a
With 7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide; benzoic acid at 0℃; for 12h; asymmetric Michael reaction; Neat (no solvent); optical yield given as %ee; enantioselective reaction;
With (3R,5S)-5-[{{(1S)-2-hydroxy-7,7-dimethylbicyclo[2.2.1]heptan-1-yl}methylthio}methyl]pyrrolidin-3-ol In toluene at 0℃; for 120h; Michael addition; Inert atmosphere; optical yield given as %ee; enantioselective reaction;
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(E)-1-methoxy-3-(2-nitrovinyl)benzene
3179-09-7, 55446-68-9

(E)-1-methoxy-3-(2-nitrovinyl)benzene

(R)-1-[1-(3-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde
1198362-15-0

(R)-1-[1-(3-methoxyphenyl)-2-nitroethyl]cyclopentanecarbaldehyde

Conditions
ConditionsYield
With 7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide; benzoic acid at 0℃; for 12h; asymmetric Michael reaction; Neat (no solvent); optical yield given as %ee; enantioselective reaction;99%
7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide at 0℃; for 12h; Product distribution / selectivity; Michael addition reaction;99%
With C64H94N6O4S2 In dichloromethane at 20℃; for 84h; Michael Addition; enantioselective reaction;72%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

methyl 3-amino-5-chloro-2-methylbenzoate
294190-18-4

methyl 3-amino-5-chloro-2-methylbenzoate

methyl 5-chloro-3-((cyclopentylmethyl)amino)-2-methylbenzoate
1403596-65-5

methyl 5-chloro-3-((cyclopentylmethyl)amino)-2-methylbenzoate

Conditions
ConditionsYield
Stage #1: cyclopentanealdehyde; methyl 3-amino-5-chloro-2-methylbenzoate With acetic acid In methanol at 20℃; for 8h;
Stage #2: With methanol; sodium cyanoborohydride at 0 - 20℃;
99%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

nitromethane
75-52-5

nitromethane

(S)-1-Cyclopentyl-2-nitro-ethanol

(S)-1-Cyclopentyl-2-nitro-ethanol

Conditions
ConditionsYield
With (2S,5R)-2-(methylaminomethyl)-1-methyl-5-phenylpyrrolidine; triethylamine; copper dichloride In tetrahydrofuran at -20℃; for 44h; Henry Nitro Aldol Condensation; Inert atmosphere; Schlenk technique; enantioselective reaction;99%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

[(ImDippN)Th{N(SiMe3)2}3]

[(ImDippN)Th{N(SiMe3)2}3]

(bis(trimethylsilyl)amino)(cyclopentyl)methyl cyclopentanecarboxylate

(bis(trimethylsilyl)amino)(cyclopentyl)methyl cyclopentanecarboxylate

Conditions
ConditionsYield
In benzene-d6 for 3h;99%
methanol
67-56-1

methanol

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(dimethoxymethyl)cyclopentane
20117-79-7

(dimethoxymethyl)cyclopentane

Conditions
ConditionsYield
With phosphoric acid functionalized ethanolamine grafted polyacrylonitrile fiber at 65℃; for 0.333333h; Green chemistry;99%
With titanium tetrachloride; triethylamine In dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere;77%
With thio-xanthene-9-one for 1.5h; Irradiation; Sealed tube; Green chemistry;75%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

diethyl 1-cyanomethylphosphonate
2537-48-6

diethyl 1-cyanomethylphosphonate

3-cyclopentaneacrylonitrile
591769-05-0

3-cyclopentaneacrylonitrile

Conditions
ConditionsYield
With HT-O-t-Bu In N,N-dimethyl-formamide for 2.5h; Wadsworth-Emmons reaction; Heating;98%
Stage #1: diethyl 1-cyanomethylphosphonate With potassium tert-butylate In tetrahydrofuran at 0 - 20℃;
Stage #2: cyclopentanealdehyde In tetrahydrofuran at 0 - 20℃; for 64h;
89%
Stage #1: diethyl 1-cyanomethylphosphonate With potassium tert-butylate In tetrahydrofuran at 20℃; for 3h; Cooling with ice;
Stage #2: cyclopentanealdehyde In tetrahydrofuran at 0 - 20℃;
67%
With potassium tert-butylate In tetrahydrofuran at 0 - 20℃; for 49h;46%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

dibenzylamine
103-49-1

dibenzylamine

N,N-dibenzyl-1-cyclopentyl-3-(trimethylsilyl)-2-propyn-1-amine
872713-34-3

N,N-dibenzyl-1-cyclopentyl-3-(trimethylsilyl)-2-propyn-1-amine

Conditions
ConditionsYield
With (R)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; copper(I) bromide In toluene at 20℃;98%
With (R)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; 4 A molecular sieve; copper(I) bromide In decane; toluene at 20℃; for 144h;98%
With (R)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; 4 A molecular sieve; copper(I) bromide In toluene at 20℃; for 144h;98%
With (S)-1-(2-(diphenylphosphanyl)naphthalen-1-yl)isoquinoline; copper(I) bromide In toluene at 20℃; for 43h; Schlenk technique; Inert atmosphere; Molecular sieve; enantioselective reaction;97%
With C44H30F5N2P; copper(I) bromide In toluene at 0℃; for 24h; Molecular sieve; enantioselective reaction;70%
bis(4-chlorobenzyl) diazene-1,2-dicarboxylate

bis(4-chlorobenzyl) diazene-1,2-dicarboxylate

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

C22H22Cl2N2O5
1191377-66-8

C22H22Cl2N2O5

Conditions
ConditionsYield
With 1-butyl-3-methylimidazolium trifluoromethanesulfonimide at 40℃; for 2h;98%
Nitroethane
79-24-3

Nitroethane

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(1R,2R)-1-cyclopentyl-2-nitropropan-1-ol
1239610-43-5

(1R,2R)-1-cyclopentyl-2-nitropropan-1-ol

Conditions
ConditionsYield
With 4-methyl-morpholine; C31H33CuF6N5O6S2 In 1,4-dioxane at 0℃; for 24h; Henry reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction;98%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

di-isopropyl azodicarboxylate
2446-83-5

di-isopropyl azodicarboxylate

1-cyclopentylcarbonyl-1,2-hydrazinedicarboxylic acid 1,2-diisopropyl ester
1259419-00-5

1-cyclopentylcarbonyl-1,2-hydrazinedicarboxylic acid 1,2-diisopropyl ester

Conditions
ConditionsYield
In water at 20℃; for 8h;98%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

1-nitro-4-(2-nitrovinyl)benzene
3156-41-0

1-nitro-4-(2-nitrovinyl)benzene

(R)-1-[1-(4-nitrophenyl)-2-nitroethyl]cyclopentanecarbaldehyde
1609238-77-8

(R)-1-[1-(4-nitrophenyl)-2-nitroethyl]cyclopentanecarbaldehyde

Conditions
ConditionsYield
With C13H28N2; benzoic acid In neat (no solvent) at 4℃; for 12h; Michael Addition; Green chemistry; stereoselective reaction;98%
Stage #1: cyclopentanealdehyde With (S)-1-(pyrrolidine-2-ylmethyl)-1H-pyrazole; benzoic acid In neat (no solvent) at 0℃; for 0.333333h;
Stage #2: 1-nitro-4-(2-nitrovinyl)benzene In neat (no solvent) at 0℃; for 24h; Michael Addition; enantioselective reaction;
95%
Stage #1: cyclopentanealdehyde With (S)-2-(pyrrolidin-2-ylmethoxy)isoindoline-1,3-dione; 4-nitro-benzoic acid In neat (no solvent) at 0℃; for 0.333333h; Michael Addition;
Stage #2: 1-nitro-4-(2-nitrovinyl)benzene In neat (no solvent) at 0℃; for 48h; Michael Addition; enantioselective reaction;
93%
Stage #1: cyclopentanealdehyde With (S)-1-(pyrrolidin-2-ylmethoxy)-1H-benzo[d][1,2,3]triazole; benzoic acid In water at 0℃; for 0.333333h;
Stage #2: 1-nitro-4-(2-nitrovinyl)benzene In water at 0℃; for 36h; Michael Addition; enantioselective reaction;
91%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

anthranilic acid amide
28144-70-9

anthranilic acid amide

(R)-2-cyclopentyl-2,3-dihydroquinazolin-4(1H)-one

(R)-2-cyclopentyl-2,3-dihydroquinazolin-4(1H)-one

Conditions
ConditionsYield
With (11aR)-10,11,12,13-tetrahydro-5-hydroxy-3,7-bis[2,4,6-triisopropylphenyl]-5-oxide-diindeno[7,1-de:1',7’-fg][1,3,2]dioxaphosphocin In m-xylene at 25℃; for 12h; enantioselective reaction;98%
(R)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid
192330-11-3

(R)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid

cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(2R)-4-(tert-butoxycarbonyl)-1-(cyclopentylmethyl)piperazine-2-carboxylic acid
869681-92-5

(2R)-4-(tert-butoxycarbonyl)-1-(cyclopentylmethyl)piperazine-2-carboxylic acid

Conditions
ConditionsYield
Stage #1: (R)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid; cyclopentanealdehyde With acetic acid In tetrahydrofuran for 0.5h;
Stage #2: With sodium tris(acetoxy)borohydride In tetrahydrofuran for 12.0833h;
97.4%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

1-nitro-2-(4-chlorophenyl)ethylene
101671-01-6

1-nitro-2-(4-chlorophenyl)ethylene

(R)-1-[1-(4-chlorophenyl)-2-nitroethyl]cyclopentanecarbaldehyde
1198362-24-1

(R)-1-[1-(4-chlorophenyl)-2-nitroethyl]cyclopentanecarbaldehyde

Conditions
ConditionsYield
With 7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide; benzoic acid at 0℃; for 1h; asymmetric Michael reaction; Neat (no solvent); optical yield given as %ee; enantioselective reaction;97%
7,7-dimethyl-2(R)-hydroxy-bicyclo[2.2.1]heptane-1-carboxylic acid-[pyrrolidin-2(S)-ylmethyl]amide at 0℃; for 24h; Product distribution / selectivity; Michael addition reaction;97%
With C64H94N6O4S2 In dichloromethane at 20℃; for 60h; Michael Addition; enantioselective reaction;84%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

(2-amino-4,5-difluoro-phenyl)-carbamic acid tert-butyl ester
1000698-88-3

(2-amino-4,5-difluoro-phenyl)-carbamic acid tert-butyl ester

Benzyl isocyanide
88333-03-3, 10340-91-7

Benzyl isocyanide

para-chlorobenzoic acid
74-11-3

para-chlorobenzoic acid

N-benzyl-2-[2-(4-chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclopentyl-acetamide
1265885-28-6

N-benzyl-2-[2-(4-chloro-phenyl)-5,6-difluoro-benzoimidazol-1-yl]-2-cyclopentyl-acetamide

Conditions
ConditionsYield
Stage #1: cyclopentanealdehyde; (2-amino-4,5-difluoro-phenyl)-carbamic acid tert-butyl ester In methanol at 20℃; for 0.0833333h;
Stage #2: Benzyl isocyanide; para-chlorobenzoic acid In methanol for 19h;
97%
cyclopentanealdehyde
872-53-7

cyclopentanealdehyde

methyl 3-(benzofuran-2-yl)-3-oxopropanoate

methyl 3-(benzofuran-2-yl)-3-oxopropanoate

C18H18O4
1272564-90-5

C18H18O4

Conditions
ConditionsYield
With piperidine; acetic acid In benzene at 100℃; for 16h; Knoevenagel condensation; Inert atmosphere; optical yield given as %de;97%
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