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 quantiti
Cas:638-41-5
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:638-41-5
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryJinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shangha
Cas:638-41-5
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiryhigh quality Appearance:white 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 Port:shanghai
The 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
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
Cas:638-41-5
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 6 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:638-41-5
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:638-41-5
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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:638-41-5
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:638-41-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryPentyl chloroformate CAS:638-41-5 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 interm
Cas:638-41-5
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:638-41-5
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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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
Cas:638-41-5
Min.Order:1 Kilogram
FOB Price: $160.0 / 200.0
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:638-41-5
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:638-41-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:638-41-5
Min.Order:0
Negotiable
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:638-41-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery.Appearance:colorless liquid Storage:Store in a cool, dry, well-ventilated warehouse Package:25kg/drum Application:Important raw material for organic synthesis. Transportation:as per your request Port:
Product name: N-Pentyl Chloroformate CAS No.:638-41-5 Molecule Formula:C6H11ClO2 Molecule Weight:150.60 Purity: 99.0% Package: 200kg/drum Description:Colorless liquid Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:638-41-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:638-41-5
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
Pentyl chloroformate Chemical Properties Boiling point 161 °C density 1,04 g/cm3 refractive index 1.4181 Fp 53 °C storage temp. Refrigerator CAS DataBase Reference 638-41-5(CAS DataBase Reference) NIST Chemistry Referen
Cas:638-41-5
Min.Order:1 Gram
FOB Price: $66.0
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:638-41-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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
Zhenyu 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:638-41-5
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:638-41-5
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:638-41-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 2h; | 85.6% |
With triethylamine In tetrahydrofuran at 0 - 20℃; for 1h; | |
With triethylamine In tetrahydrofuran at 0 - 20℃; for 6.25h; Inert atmosphere; |
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane at 20℃; Rate constant; Mechanism; var. conc., without HCl; |
pentyl chloroformate
1-t-Butoxycarbonylpiperazine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; | 100% |
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -15 - 0℃; | 99.1% |
pentyl chloroformate
Conditions | Yield |
---|---|
With sodium azide In acetone at 20℃; | 98% |
5-[1-(4-aminobenzyl)-8-methoxy-2-oxo-1,2,3,4-tetrahydroquinolin-5-ylmethyl]thiazolidine-2,4-dione
pentyl chloroformate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 1h; | 97% |
pentyl chloroformate
2,2,4,4-Tetramethyl-1,3-oxazolidine
Conditions | Yield |
---|---|
With sodium carbonate In dichloromethane at 20℃; for 5h; | 96% |
Flucytosine
pentyl chloroformate
(5-fluoro-2-oxo-1,2-dihydropyrimidin-4-yl)carbamic acid amyl ester
Conditions | Yield |
---|---|
With pyridine; tetrabutylammomium bromide In dichloromethane at 20℃; for 1.5h; Reagent/catalyst; | 96% |
With pyridine In dichloromethane at -10 - 20℃; for 2h; Concentration; Inert atmosphere; | 94.3% |
With pyridine | 75% |
With tetra(n-butyl)ammonium hydrogensulfate; triethylamine In chloroform; water at 5 - 10℃; for 1h; | 300 g |
pentyl chloroformate
5-chloro-N2-{5-methyl-4-(piperidin-4-yl)-2-[(propan-2-yl)oxy]phenyl}-N4-[2-(propane-2-sulfonyl)phenyl]pyrimidine-2,4-diamine
Conditions | Yield |
---|---|
With dmap In dichloromethane at 20℃; | 96% |
pentyl chloroformate
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
N1-(2',3'-di-O-acetyl-5'-deoxy-β-D-ribofuranosyl)-5-fluoro-N4-(pentyloxycarbonyl)cytosine
Conditions | Yield |
---|---|
With potassium phosphate In dichloromethane; isopropyl alcohol at 0 - 25℃; for 4h; Reagent/catalyst; Inert atmosphere; | 94.2% |
With pyridine In dichloromethane at 0℃; for 1h; | 93% |
With dmap; potassium carbonate In dichloromethane at 5℃; for 0.75h; Temperature; Solvent; Reagent/catalyst; | 90.6% |
pentyl chloroformate
2,3,4,5,6-pentafluorophenol
pentyloxycarbonyl-pentafluorophenoxy
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran at 0 - 5℃; for 2.5h; | 94% |
Conditions | Yield |
---|---|
With dmap In acetonitrile at 20℃; for 4h; Cooling with ice; Inert atmosphere; | 93% |
3,6-di-n-propyl-1,6-dihydro-s-tetrazine
pentyl chloroformate
Conditions | Yield |
---|---|
92.9% |
D-Threonine
pentyl chloroformate
(2R,3S)-3-hydroxy-2-{[(pentyloxy)carbonyl]amino}butanoic acid
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 18h; | 90% |
With tetrabutylammomium bromide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 18h; | 90% |
With tetrabutylammomium bromide; sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 18h; | 90% |
3,6-dimethyl-1,6-dihydro-1,2,4,5-tetrazine
pentyl chloroformate
Conditions | Yield |
---|---|
89.4% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0 - 5℃; for 2.5h; | 89% |
pentyl chloroformate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -5 - 5℃; for 0.5h; | 88.2% |
pentyl chloroformate
4,4'-diamino diphenyl methane
dipentyl(methylene)bis(4,1-phenylene)dicarbamate
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0 - 50℃; for 4h; | 88% |
PD 0332991
pentyl chloroformate
Conditions | Yield |
---|---|
With dmap In dichloromethane at 0 - 20℃; | 87% |
pentyl chloroformate
Conditions | Yield |
---|---|
Stage #1: methyl (3-(5-chloro-2-(2-chloro-4-(N-(2,4-dimethoxybenzyl)-N-(thiazol-2-yl) sulfamoyl)-5-fluorophenoxy)phenyl)propyl)glycinate With triethylamine In dichloromethane at 20℃; for 0.166667h; Stage #2: pentyl chloroformate In dichloromethane at 80℃; for 12h; | 86.9% |
With triethylamine In dichloromethane at 80℃; for 12h; | 0.6 g |
Conditions | Yield |
---|---|
Stage #1: 5'-deoxy-5-fluorocytidine With pyridine; thionyl chloride In acetonitrile at -5 - 0℃; Stage #2: pentyl chloroformate In acetonitrile at -5 - 20℃; | 85% |
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -5 - 20℃; | 85% |
7-bromo-pyrrolo[2,1-f][1,2,4]triazin-4-ylamine
pentyl chloroformate
Conditions | Yield |
---|---|
With pyridine In dichloromethane for 5h; Cooling with ice; | 85% |
Conditions | Yield |
---|---|
Stage #1: benzotriazol-1-ol With triethylamine In tetrahydrofuran at 0 - 5℃; for 0.25h; Stage #2: pentyl chloroformate In tetrahydrofuran for 1.5h; | 84% |
pentyl chloroformate
2-amino-6-bromoquinoline
Conditions | Yield |
---|---|
With 1-methyl-1H-imidazole In dichloromethane at 0 - 25℃; for 12h; | 84% |
pentyl chloroformate
2-amino-1H-imidazole-4,5-dicarbonitrile
2-amino-4,5-dicyano-imidazole-1-carboxylic acid pentyl ester
Conditions | Yield |
---|---|
With triethylamine In methanol; acetonitrile | 83% |
pentyl chloroformate
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
capecitabine
Conditions | Yield |
---|---|
With sodium hydroxide In water; acetone at 30℃; for 5h; Green chemistry; | 82% |
Stage #1: pentyl chloroformate; (2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate With pyridine In dichloromethane at 0℃; for 1h; Stage #2: With sodium hydroxide In ethanol; water at -5 - 0℃; for 0.233333h; | 80.2% |
Multi-step reaction with 2 steps 1: dichloromethane 2: sodium hydroxide / methanol View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / dichloromethane / 1 h / 0 °C 2: sodium methylate / methanol / 1 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: potassium phosphate / isopropyl alcohol; dichloromethane / 4 h / 0 - 25 °C / Inert atmosphere 2: sodium hydroxide / methanol; water / 1 h / -10 - 5 °C / Autoclave View Scheme |
Conditions | Yield |
---|---|
Stage #1: 5'-deoxy-5-fluorocytidine With pyridine; thionyl chloride In acetonitrile at -5 - 0℃; Stage #2: pentyl chloroformate In acetonitrile at -5 - 20℃; | 80% |
pentyl chloroformate
Conditions | Yield |
---|---|
With chloro-trimethyl-silane In pyridine at 20℃; | 78% |
pentyl chloroformate
Conditions | Yield |
---|---|
In dichloromethane at 0 - 20℃; for 1h; | 78% |
pentyl chloroformate
mitomycin-C
N1a-<(pentyloxy)carbonyl>mitomycin C
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 0.25h; | 77% |
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