Dayangchem's 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. DayangChem can provide different quantities
Cas:7367-81-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:7367-81-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWith 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
Cas:7367-81-9
Min.Order:1 Kilogram
FOB Price: $40.0 / 80.0
Type:Trading Company
inquiryWITH 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
Cas:7367-81-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.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
Cas:7367-81-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryMETHYL TRANS-2-OCTENOATE CAS:7367-81-9 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
Cas:7367-81-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:7367-81-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: METHYL TRANS-2-OCTENOATE Synonyms: METHYL T2 OCTENOATE;METHYL OCT-2-ENOATE;METHYL 2-OCTENOATE;FEMA 3712;Methyltransoctenoate;methyl (E)-oct-2-enoate;METHYL TRANS-2-OCTENOATE 96+%;2-Octenoic acid, methyl ester, (2E)- CAS: 7367-81-
Cas:7367-81-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan 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:7367-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
Cas:7367-81-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:7367-81-9
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Cas:7367-81-9
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryZibo 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
Cas:7367-81-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:7367-81-9
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:7367-81-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:7367-81-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:7367-81-9
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:7367-81-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:7367-81-9
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryGOLDEN 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
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:7367-81-9
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryWe produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
Cas:7367-81-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryLower 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
Cas:7367-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:7367-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:7367-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in
Cas:7367-81-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: methyl 2-octynoate With tris-(dibenzylideneacetone)dipalladium(0); 1,4-di(diphenylphosphino)-butane In 1,4-dioxane; water at 20℃; for 0.25h; Inert atmosphere; Stage #2: With formic acid In 1,4-dioxane at 80℃; for 10h; Inert atmosphere; optical yield given as %ee; stereoselective reaction; | 93% |
Stage #1: methyl 2-octynoate With Triethoxysilane; tris(acetonitrile)pentamethylcyclopentadienylruthenium(II) hexafluorophosphate In dichloromethane at 20℃; for 0.5h; Stage #2: With copper(l) iodide; tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 20h; Further stages.; | 83% |
methyl (2Z)-3-iodooct-2-enoate
methyl (E)-oct-2-enoate
Conditions | Yield |
---|---|
Stage #1: methyl (2Z)-3-iodooct-2-enoate In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; diethyl ether at -78℃; for 0.5h; Stage #2: With water In tetrahydrofuran; 1-methyl-pyrrolidin-2-one; diethyl ether at 20℃; for 0.5h; Further stages.; | 92% |
A
methyl (E)-oct-2-enoate
B
(E)-methyl oct-3-enoate
C
2,3-dichloro-5,6-dicyanohydroquinone
D
methyl (Z)-oct-3-enoate
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 60℃; for 20h; Yields of byproduct given; | A 76% B n/a C 86% D n/a |
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 60℃; for 20h; Yield given; | A 76% B n/a C 86% D n/a |
acrylic acid methyl ester
A
methyl (E)-oct-2-enoate
Conditions | Yield |
---|---|
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; copper(l) iodide In dichloromethane for 16h; Inert atmosphere; Reflux; | A 86% B n/a C n/a |
hexanal
methyl (triphenylphosphoranylidene)acetate
methyl (E)-oct-2-enoate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 17h; Wittig Olefination; Inert atmosphere; | 85% |
In benzene for 48h; Heating; | 83% |
In tetrahydrofuran for 4h; Reflux; | 80% |
In dichloromethane at 23℃; for 17h; Inert atmosphere; | 70% |
methanol
1-Heptyne
carbon monoxide
A
methyl (E)-oct-2-enoate
B
methyl α-pentyl acrylate
Conditions | Yield |
---|---|
With palladium diacetate; toluene-4-sulfonic acid; 1,4-di(diphenylphosphino)-butane In acetonitrile at 110℃; under 5171.62 Torr; for 1h; Autoclave; regioselective reaction; | A 85% B 15% |
methyl (triphenylphosphoranylidene)acetate
hexan-1-ol
A
methyl (E)-oct-2-enoate
B
2-cis octenoic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: hexan-1-ol With Celite; pyridinium chlorochromate In dichloromethane at 20℃; Stage #2: methyl (triphenylphosphoranylidene)acetate In dichloromethane at 20℃; for 24h; Wittig olefination; | A 82% B n/a |
hexanal
methyl (triphenylphosphoranylidene)acetate
A
methyl (E)-oct-2-enoate
B
2-cis octenoic acid methyl ester
Conditions | Yield |
---|---|
for 3h; Heating; | A 80% B n/a |
In water at 20℃; for 1h; Wittig reaction; Title compound not separated from byproducts.; |
acrylic acid methyl ester
A
methyl (E)-oct-2-enoate
Conditions | Yield |
---|---|
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; copper(l) iodide In dichloromethane for 16h; Inert atmosphere; Reflux; | A 78% B n/a |
(+/-)-trimethyl(1-methoxy-2-pentylcyclopropoxy)silane
A
methyl (E)-oct-2-enoate
B
methyl (Z)-non-3-enoate
C
methyl (trans-3-nonenoate)
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 60℃; for 20h; Yields of byproduct given; | A 76% B n/a C n/a |
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 60℃; for 20h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
methyl (2S,3S)-2-iodo-3-hydroxyoctanoate
A
methyl (E)-oct-2-enoate
B
methyl (2S,3S)-2-iodo-3-(butynoyloxy)octanoate
Conditions | Yield |
---|---|
In dichloromethane 1.) from -20 deg C to r.t.; 2.) r.t., 10 h; | A 25% B 75% |
methyl (2R,3S)-3-pentyloxiranecarboxylate
A
methyl (E)-oct-2-enoate
B
methyl (2S,3S)-2-iodo-3-hydroxyoctanoate
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; sodium iodide In acetonitrile at -20℃; for 1h; | A 7 % Spectr. B 72% C 6 % Spectr. |
methyl (2S,3S)-2-iodo-3-hydroxyoctanoate
TMS-propynoyl triflate
A
methyl (E)-oct-2-enoate
B
methyl (2S,3S)-2-iodo-3-(trimethylsilylpropynoyloxy)octanoate
Conditions | Yield |
---|---|
In dichloromethane 1.) from -20 deg C to r.t.; 2.) r.t., 10 h; | A 25% B 71% |
(E)-8-bromooct-2-enoic acid methyl ester
A
methyl (E)-oct-2-enoate
B
methyl cyclohexylacetate
Conditions | Yield |
---|---|
With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In benzene for 10h; Heating; | A n/a B 66% |
Conditions | Yield |
---|---|
With pyrrolidine; pyridine at 20℃; for 24h; | 66% |
Conditions | Yield |
---|---|
With triphenyl phosphite; tri-n-butylarsine; potassium carbonate In tetrahydrofuran; acetonitrile for 31h; Ambient temperature; | 64% |
A
methyl (E)-oct-2-enoate
B
2-cis octenoic acid methyl ester
Conditions | Yield |
---|---|
With Li[Al(perfluoro-tertbutoxide)4]; [Fe(N,N’-bis(pentafluorophenyl)-o-phenylenediamide)(tetrahydrofuran)]2 In dichloromethane at 25℃; for 24h; Schlenk technique; Inert atmosphere; | A n/a B n/a C 64% |
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 20℃; under 6000480 Torr; for 24h; Horner-Wadsworth-Emmons reaction; | 54% |
With sodium hydride In diethylene glycol dimethyl ether | |
Stage #1: Methyl diethylphosphonoacetate With sodium hydride In 1,2-dimethoxyethane at 0℃; for 0.5h; Inert atmosphere; Stage #2: hexanal In 1,2-dimethoxyethane at 0 - 20℃; for 3h; Inert atmosphere; |
2-methylpropen-1-ylmagnesium bromide
methyl (E)-2-iodo-2-octenoate
A
methyl (E)-oct-2-enoate
B
7,8-di(carbomethoxy)-6,8-tetradecadiene
C
methyl (Z)-2-(2-methyl-1-propenyl)-2-octenoate
D
methyl (E)-2-(2-methyl-1-propenyl)-2-octenoate
Conditions | Yield |
---|---|
With zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran 1) -25 deg C, 3.5 h, 2) room temperature, 16 h, 3) reflux, 4 h; Further byproducts given. Yields of byproduct given; | A n/a B 16% C n/a D n/a |
With zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran 1) -25 deg C, 3.5 h, 2) room temperature, 16 h, 3) reflux, 4 h; Yield given. Further byproducts given. Title compound not separated from byproducts; | A n/a B 16% C n/a D n/a |
Conditions | Yield |
---|---|
With diethylamino-sulfur trifluoride In dichloromethane at -70℃; for 0.333333h; Inert atmosphere; Overall yield = 40 %; Overall yield = 17 mg; | A 15% B n/a C n/a |
methyl 2-octynoate
A
methyl (E)-oct-2-enoate
B
2-cis octenoic acid methyl ester
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; copper(l) iodide; methyllithium; diisobutylaluminium hydride In tetrahydrofuran; hexane at -50℃; for 1h; | A 12% B 7% |
With quinoline; hydrogen; Lindlar's catalyst In ethyl acetate under 760 Torr; Yield given. Yields of byproduct given; |
diazomethane
(E)-oct-2-enoic acid
methyl (E)-oct-2-enoate
Conditions | Yield |
---|---|
With diethyl ether durch Veresterung; | |
In diethyl ether |
Conditions | Yield |
---|---|
at 200℃; |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; tin(ll) chloride |
trans-Methyl-N-phenyl-2-octenoimidat
methyl (E)-oct-2-enoate
Conditions | Yield |
---|---|
With hydrogenchloride |
dichloromethane
Z-dimethyltertiobutylsilyloxy-1 methoxy-1 heptene-1
A
methyl (E)-oct-2-enoate
B
2-cis octenoic acid methyl ester
Conditions | Yield |
---|---|
With sodium hexamethyldisilazane Product distribution; Mechanism; multistep reaction: 1.) pentane -15 deg C; 2.) methanol-triethylamine, reflux; studied: the stereochemistry (E or Z) in the addition reaction of ketene alkylsilyl acetals with chloro-, chloromethyl- and chlorophenyl carbenes; |
methyl hexanoate
trimethyl phosphonoacetate
A
methyl (E)-oct-2-enoate
B
2-cis octenoic acid methyl ester
Conditions | Yield |
---|---|
With n-butyllithium; diisobutylaluminium hydride In tetrahydrofuran at -78℃; Yield given. Yields of byproduct given; |
methyl α-iodocaprylate
A
methyl (E)-oct-2-enoate
B
(E)-methyl oct-3-enoate
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 80℃; for 3h; Yield given; |
methyl 2-phenylsulfinylacetate
1-Iodohexane
A
methyl (E)-oct-2-enoate
B
(E)-2-Hexyl-oct-2-enoic acid methyl ester
Conditions | Yield |
---|---|
With sodium hydride 1) DMF, 20 deg C, 0.2 h, 2) toluene, 110 deg C, 15 min; Yield given. Multistep reaction. Yields of byproduct given; |
methyl (E)-oct-2-enoate
methyl (2R,3S)-2,3-dihydroxyoctanoate
Conditions | Yield |
---|---|
With methanesulfonamide; AD-mix-α In water; tert-butyl alcohol at 0 - 20℃; for 96h; | 98% |
With methanesulfonamide; AD-mix-α; water In tert-butyl alcohol at 0℃; for 96h; Sharpless Dihydroxylation; Inert atmosphere; stereoselective reaction; | 75% |
methyl (E)-oct-2-enoate
2-hydroxyoctanoic acid methyl ester
Conditions | Yield |
---|---|
With phenylsilane; oxygen; bis(dipivaloylmethanato)manganese(II) In isopropyl alcohol at 0℃; under 760 Torr; for 5h; | 94% |
nitromethane
methyl (E)-oct-2-enoate
3-nitrooctanoic acid methyl ester
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene at 20℃; | 94% |
Conditions | Yield |
---|---|
With sodium methylate In methanol for 2.5h; Inert atmosphere; Reflux; | 91% |
methyl (E)-oct-2-enoate
(R)-3-[Benzyl-((R)-1-phenyl-ethyl)-amino]-octanoic acid methyl ester
Conditions | Yield |
---|---|
90% |
Conditions | Yield |
---|---|
Stage #1: 3,3-Dimethylbut-1-yne With CpZrHCl In dichloromethane at 20℃; for 0.25h; Stage #2: methyl (E)-oct-2-enoate; chloro(1,5-cyclooctadiene)rhodium(I) dimer In 1,4-dioxane at 20℃; for 1h; Further stages.; | 90% |
Conditions | Yield |
---|---|
With potassium fluoride; tetrabutyl ammonium fluoride In tetrahydrofuran; water at 70℃; for 7h; | 90% |
With lithium hydroxide In tetrahydrofuran; water for 2.5h; Reflux; |
methyl (E)-oct-2-enoate
Conditions | Yield |
---|---|
Stage #1: methyl (E)-oct-2-enoate With dirhodium tetrakis((S)-1-(5-trifluoromethyl-2-chlorophenyl)-2,2-diphenylcyclopropanecarboxylate) In dichloromethane at 23℃; for 0.166667h; Inert atmosphere; Stage #2: 2,2,2-trifluoroethyl 2-(4-bromophenyl)-2-diazoacetate In dichloromethane at 23℃; for 2h; Reagent/catalyst; Inert atmosphere; stereoselective reaction; | 90% |
methyl (E)-oct-2-enoate
(2S,3R)-(+)-methyl 2,3-dihydroxyoctanoate
Conditions | Yield |
---|---|
With methanesulfonamide; AD-mix-β In water; tert-butyl alcohol at 0 - 20℃; for 96h; | 88% |
methyl (E)-oct-2-enoate
(2S*,3R*)-methyl 2,3-epoxyoctanoate
Conditions | Yield |
---|---|
With [2,2]bipyridinyl; silver(I) acetate; lithium perchlorate In water; acetonitrile electrochemical oxidation; | 80% |
methyl (E)-oct-2-enoate
bis(pinacol)diborane
(S)-Methyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)octanoate
Conditions | Yield |
---|---|
With [CN2(C6H3-2-Mes-5-iPr)(Mes)C2H2Ph2]BF4; 1,8-diazabicyclo[5.4.0]undec-7-ene; MeOH In tetrahydrofuran (N2), 22°C, 14 h; | 80% |
With methanol; BF4(1-)*C42H45N2(1+); 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 22℃; for 14h; Inert atmosphere; enantioselective reaction; | 80% |
methyl (E)-oct-2-enoate
methyl 3-oxooctanoate
Conditions | Yield |
---|---|
With methanol; water; oxygen; toluene-4-sulfonic acid; palladium dichloride In N,N-dimethyl acetamide at 80℃; under 4560.31 Torr; for 3h; Reagent/catalyst; Solvent; Time; Pressure; Concentration; Autoclave; regioselective reaction; | 79% |
methyl (E)-oct-2-enoate
(1Z,4Z)-1,5-diiodopenta-1,4-diene
(E)-1-heptenylbenzene
Conditions | Yield |
---|---|
Stage #1: (1Z,4Z)-1,5-diiodopenta-1,4-diene With n-butyllithium; isopropylmagnesium chloride In tetrahydrofuran; hexane at -20℃; for 2h; Inert atmosphere; Stage #2: methyl (E)-oct-2-enoate In tetrahydrofuran; hexane at -20℃; for 2h; Inert atmosphere; | 60% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View