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:2387-23-7
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:2387-23-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur 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 Scientific and so on.O
Cas:2387-23-7
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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:2387-23-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:2387-23-7
Min.Order:1 Kilogram
FOB Price: $7.0 / 9.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:2387-23-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryN,N'-DICYCLOHEXYLUREA CAS:2387-23-7 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
Cas:2387-23-7
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:2387-23-7
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
Our 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 have s
Cas:2387-23-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryJ&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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:2387-23-7
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
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:2387-23-7
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryMassive 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 als
Cas:2387-23-7
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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:2387-23-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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:2387-23-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:2387-23-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
1.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:2387-23-7
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe 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:2387-23-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2387-23-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
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
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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:2387-23-7
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
CAS2387-23-7 N,N'-DICYCLOHEXYLUREA Application:CAS2387-23-7 N,N'-DICYCLOHEXYLUREA
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:2387-23-7
Min.Order:0
Negotiable
Type:Trading Company
inquiry1-hydroxy-pyrrolidine-2,5-dione
(S)-2-((tert-butoxycarbonyl)amino)-3-(3-iodo-4-methoxyphenyl)propanoic acid
A
C19H23IN2O7
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In 1,2-dimethoxyethane | A 100% B n/a |
cis-Octadecenoic acid
N3,N6-di(tert-butoxycarbonyl)-3,6-diazaoctane-1,8-diol
dicyclohexyl-carbodiimide
A
N,N'-di-tert-butylcarbonyl-N,N'-bis(2-hydroxyethyl)ethylenediamine dioleate
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
dmap In n-heptane at 20 - 40℃; Product distribution / selectivity; | A n/a B 99.6% |
Conditions | Yield |
---|---|
Stage #1: carbon monoxide; cyclohexylamine With selenium at 20℃; under 750.075 Torr; for 2h; neat (no solvent); Stage #2: With oxygen at 20℃; under 750.075 Torr; for 1h; neat (no solvent); | 99% |
With palladium; oxygen; potassium iodide In 1,4-dioxane at 130℃; under 30003 Torr; for 24h; Autoclave; Green chemistry; | 99% |
With oxygen In tetrahydrofuran at 90℃; under 6000.6 Torr; for 72h; Catalytic behavior; Reagent/catalyst; Autoclave; Schlenk technique; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
With [Pr(SPh)3(THF)3] In tetrahydrofuran at 60℃; for 12h; Inert atmosphere; | 99% |
With Trimethylsilanol In acetonitrile at 20℃; Green chemistry; | 92% |
With Ta(η5-C5Me5)(η3-1-phenylallyl)2 In toluene for 12h; Ambient temperature; | 89% |
Conditions | Yield |
---|---|
Stage #1: cyclohexylamine With titanium tetrachloride In dichloromethane at 0℃; for 0.5h; Inert atmosphere; Stage #2: With pyridine In dichloromethane for 0.5h; Inert atmosphere; Stage #3: carbon dioxide Further stages; | 99% |
With cesium hydroxide; 1-butyl-3-methylimidazolium chloride at 170℃; under 45600 Torr; for 4h; | 98% |
Stage #1: cyclohexylamine With tetrachloromethane; triphenylphosphine In dichloromethane for 24h; Heating; Stage #2: With triethylamine at 20℃; for 2h; Stage #3: carbon dioxide; cyclohexylamine at 20℃; for 24h; Further stages.; | 96% |
Conditions | Yield |
---|---|
With oxygen; sodium hydrogencarbonate; triethylamine In water for 1h; Irradiation; | 99% |
With oxygen; sodium hydroxide In water at 20℃; for 3h; Reagent/catalyst; Irradiation; | 62% |
tetradecylthioacetic Acid
methyl 2,3-diaminopropanoate dihydrochloride
dicyclohexyl-carbodiimide
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine In dichloromethane at 0 - 20℃; for 49h; | A 96% B n/a |
Conditions | Yield |
---|---|
With potassium tert-butylate; copper diacetate In m-xylene for 8h; Reagent/catalyst; Solvent; Schlenk technique; Heating; chemoselective reaction; | A 96% B n/a C n/a |
L-tyrosine methyl ester HCl
dicyclohexyl-carbodiimide
para-chlorobenzoic acid
A
C17H16ClNO4
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
dmap In dichloromethane at 20℃; Inert atmosphere; | A 95.3% B n/a |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In 1,4-dioxane; pyridine for 12h; Ambient temperature; | A n/a B 95% |
Boc-Arg(NO2)-OH
methyl L-isoleucinate hydrochloride
A
1,3-Dicyclohexylurea
B
(tert-butoxycarbonyl)-NG-nitroarginylisoleucyl methyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) ice bath, 1 h, 2.) 23 deg C, 15 h; | A n/a B 95% |
Conditions | Yield |
---|---|
In dichloromethane for 4h; Ambient temperature; | 95% |
Conditions | Yield |
---|---|
With acetic acid; N-hydroxybenzenecarboximidamide In chloroform for 4h; Heating; | 95% |
With tert-butyloxycarbonyl-methionyl-leucyl-phenylalanine; benzotriazol-1-ol; triethylamine In N,N-dimethyl-formamide at 0℃; for 3h; | |
With 1,3:2,4-di-O-methylene-L-arabinitol In pyridine; dimethyl sulfoxide at 20 - 25℃; for 2h; |
cyclohexylamine
5-nitro-1-indazolecarboxylic acid cyclohexylamide
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 155℃; for 6h; | 95% |
1-hydroxy-pyrrolidine-2,5-dione
4-hydroxyphenylacetate
dicyclohexyl-carbodiimide
A
4-hydroxyphenylacetic acid N-hydroxysuccinimide ester
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
In ethyl acetate at 0 - 4℃; for 22h; | A 94.6% B n/a |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 155℃; for 8h; | 94% |
cyclohexane-1,3-dicarboxylic acid
dicyclohexyl-carbodiimide
A
1,3-Dicyclohexylurea
B
3-oxabicyclo[3.3.1]nonane-2,4-dione
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 4h; | A n/a B 94% |
Conditions | Yield |
---|---|
With dichloromethylenedimethyliminium chloride; triethylamine In dichloromethane at 0℃; | 100% |
With bis(trichloromethyl) carbonate In 1-methyl-pyrrolidin-2-one at 30 - 40℃; for 6h; Autoclave; | 99.5% |
With pyridine; chloroacetyl chloride In dichloromethane at 0 - 60℃; for 10h; Solvent; Temperature; Reagent/catalyst; | 97.3% |
Conditions | Yield |
---|---|
With sodium hydroxide at 450℃; for 8h; Temperature; Autoclave; Large scale; | 99.49% |
Conditions | Yield |
---|---|
96% | |
93% | |
8% |
2.6-dimethylphenol
1,3-Dicyclohexylurea
N-cyclohexyl carbamic acid(2,6-dimethylphenyl)ester
Conditions | Yield |
---|---|
Reflux; Large scale; | 95% |
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