As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:4457-32-3
Min.Order:1 Kilogram
FOB Price: $3.0
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:4457-32-3
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryhigh quality Appearance:White or off-white Solid 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
Cas:4457-32-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
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
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:4457-32-3
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
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:4457-32-3
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:4457-32-3
Min.Order:1 Kilogram
FOB Price: $1000.0
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:4457-32-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: 4-Nitrocarbobenzoxychloride Synonyms: 4-Nitrobenzyl chloroformate CAS:4457-32-3 MF: C8H6ClNO4 Appearance:Colorless liquid Storage: Preserve in well-closed, light-resistant and airtight containers. Package: 25kgs/drum Application:Orangic inte
1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;
Cas:4457-32-3
Min.Order:0 Metric Ton
Negotiable
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:4457-32-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry4-Nitrobenzyl chloroformate CAS:4457-32-3 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 organi
Cas:4457-32-3
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:4457-32-3
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:4457-32-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest 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
Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By
Cas:4457-32-3
Min.Order:100 Gram
Negotiable
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:4457-32-3
Min.Order:0 Metric Ton
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:4457-32-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:4457-32-3
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:4457-32-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:pale yellow solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:For medicine , pesticide intermedi
Cas:4457-32-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct name: 4-Nitrobenzyl Chloroformate CAS No.:4457-32-3 Molecule Formula:C8H6ClNO4 Molecule Weight:215.59 Purity: 99.0% Package: 25kg/drum Description:White or off-white crystalline powder Manufacture Standards:Enterprise Standard
Cas:4457-32-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is
Cas:4457-32-3
Min.Order:10 Gram
Negotiable
Type:Other
inquiry4-Nitrobenzyl chloroformate Chemical Properties Melting point 32-34 °C(lit.) Boiling point 230°C 10mm density 1.4928 (rough estimate) refractive index 1.552-1.556 Fp >230 °F storage temp. 2-8°C Sensitive
Cas:4457-32-3
Min.Order:1 Gram
FOB Price: $65.0
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:4457-32-3
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:4457-32-3
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:4457-32-3
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
Cas:4457-32-3
Min.Order:0
Negotiable
Type:Other
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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:4457-32-3
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
In dichloromethane at 20 - 25℃; for 50h; | 98% |
With chloroform at 60 - 65℃; im geschlossenen Rohr; | |
With 1,4-dioxane |
4-nitrobenzyl chloride
trichloromethyl chloroformate
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With dmap In toluene at 20℃; for 24h; |
rac-Pro-OH
4-nitrobenzyl chloroformate
1-(4-nitrobenzyloxycarbonyl)pyrrolidine-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane; water at 0 - 20℃; Shotten-Baumann reaction; | 100% |
2-benzyl-1H-imidazole-4-carbaldehyde
4-nitrobenzyl chloroformate
2-benzyl-4-formylimidazole-1-carboxylic acid 4-nitrobenzyl ester
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane; water at 0℃; for 2.5h; | 100% |
With sodium bicarbonate In 1,4-dioxane; water | 100% |
With sodium hydrogencarbonate In 1,4-dioxane; water at 0℃; for 2.5h; | 100% |
2-Ketopiperazine
4-nitrobenzyl chloroformate
4-p-nitrobenzyloxycarbonyl-2-ketopiperazine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane; dichloromethane at 0℃; for 0.5h; | 100% |
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane; dichloromethane at 0℃; for 0.5h; | 100% |
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane; dichloromethane at 0℃; for 0.5h; | 100% |
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane; dichloromethane; water |
(S)-2-tert-butyloxycarbonylamino-4-(piperidin-4-yl)butanoic acid methyl ester
4-nitrobenzyl chloroformate
(S)-2-tert-butyloxycarbonylamino-4-(1-(4-nitrobenzyloxy)carbonylpiperidin-4-yl)butanoic acid methyl ester
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 1.5h; pH=8 - 9; | 100% |
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 12h; Inert atmosphere; | 100% |
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 12h; Inert atmosphere; | 100% |
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 12h; Inert atmosphere; | 100% |
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 12h; Inert atmosphere; | 100% |
4R-4-hydroxyproline
4-nitrobenzyl chloroformate
(2S,4R)-4-Hydroxy-1-(4-nitrobenzyloxycarbonyl)pyrrolidine-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane at 0℃; for 2h; Acylation; | 98% |
Stage #1: 4R-4-hydroxyproline; 4-nitrobenzyl chloroformate With sodium hydroxide In dichloromethane; water at 0 - 5℃; for 1h; Stage #2: With sulfuric acid In water at 0 - 5℃; | 93% |
Stage #1: 4R-4-hydroxyproline; 4-nitrobenzyl chloroformate With sodium hydroxide In dichloromethane; water at 0 - 5℃; for 1h; Stage #2: With sulfuric acid In water at 0 - 5℃; | 93% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethyl acetate at 0℃; for 0.25h; | 98% |
4-nitrobenzyl chloroformate
N(α)-tert-butoxycarbonyl-histidine methyl ester
Conditions | Yield |
---|---|
With triethylamine In chloroform at 0 - 20℃; for 2.5h; | 98% |
With triethylamine In chloroform at 0 - 20℃; for 2.5h; | 98% |
(3-bromopropyl)amine
4-nitrobenzyl chloroformate
(3-bromopropyl)-carbamic acid 4-nitrobenzyl ester
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran at 20℃; for 2h; | 98% |
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
Stage #1: (±)-2-endo-amino-3-exo-isopropylbicyclo[2.2.1]heptane hydrochloride With sodium carbonate In dichloromethane; water at 0 - 20℃; for 0.5h; Stage #2: 4-nitrobenzyl chloroformate In dichloromethane; water at 0 - 20℃; for 16h; Inert atmosphere; | 98% |
(pivaloyloxy)methyl 6α-<1(R)-hydroxyethyl>penicillanate
4-nitrobenzyl chloroformate
(pivaloyloxy)methyl 6α-<1(R)-<<<(p-nitrobenzyl)oxy>carbonyl>oxy>ethyl>penicillanate
Conditions | Yield |
---|---|
With dmap; N-ethyl-N,N-diisopropylamine In dichloromethane for 16h; Ambient temperature; | 97% |
(3S,4R)-4-diethoxyphosphinyl-3-<(R)-1-hydroxyethyl>-1-(4-methoxyphenyl)-2-azetidinone
4-nitrobenzyl chloroformate
(3S,4R)-4-diethoxyphosphinyl-1-(4-methoxyphenyl)-3-<(R)-1-(4-nitrobenzyloxycarbonyloxy)ethyl>-2-azetidinone
Conditions | Yield |
---|---|
With dmap In dichloromethane for 2h; Ambient temperature; | 97% |
With dmap In dichloromethane | 79% |
N-propyl-6-hydroxyoctylamine
4-nitrobenzyl chloroformate
(6-Hydroxy-octyl)-propyl-carbamic acid 4-nitro-benzyl ester
Conditions | Yield |
---|---|
With potassium hydroxide In diethyl ether Ambient temperature; | 97% |
L-threonine methyl ester hydrochloride
4-nitrobenzyl chloroformate
Z(NO2)-Thr-OMe
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 3.5h; Acylation; | 97% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane; water at 0 - 20℃; Shotten-Baumann reaction; | 97% |
1,12-bis(imidazolin-2-yl)dodecane
4-nitrobenzyl chloroformate
1,12-bis[N,N'-(4-nitrobenzyloxycarbonyl)imidazolin-2-yl]dodecane
Conditions | Yield |
---|---|
With triethylamine In chloroform at 0 - 20℃; | 96% |
endo-N-hydroxy-5-norbornene-2,3-dicarboxyimide
4-nitrobenzyl chloroformate
N-(4-nitrobenzyl carbonate)bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid imide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 4h; | 96% |
With triethylamine In tetrahydrofuran at 0 - 20℃; for 6h; | 95.1% |
With triethylamine In tetrahydrofuran at 0 - 20℃; for 2h; | 87.9% |
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0 - 20℃; for 4h; | 96% |
N-hydroxy-5-norbomene-2,3-dicarboxylic acid imide
4-nitrobenzyl chloroformate
N-(4-nitrobenzyl carbonate)bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid imide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0 - 20℃; for 4h; | 96% |
4-nitrobenzyl chloroformate
C23H26N2O7S
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane for 16h; Inert atmosphere; | 96% |
With N-ethyl-N,N-diisopropylamine In dichloromethane Inert atmosphere; |
[3-(2-tert-Butoxycarbonylamino-3-hydroxy-propyl)-1H-indol-4-ylamino]-acetic acid ethyl ester
4-nitrobenzyl chloroformate
[[3-(2-tert-Butoxycarbonylamino-3-hydroxy-propyl)-1H-indol-4-yl]-(4-nitro-benzyloxycarbonyl)-amino]-acetic acid ethyl ester
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; water for 3h; Ambient temperature; | 95% |
methyl 2-methoxy-5-(N-methylamino)phenylacetate
4-nitrobenzyl chloroformate
methyl 2-methoxy-5-[N-methyl-N-(4-nitrobenzyloxycarbonyl)]aminophenylacetate
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; Acylation; | 95% |
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With dmap In chloroform at 20℃; for 0.75h; | 95% |
With dmap In dichloromethane | 94% |
4-nitrobenzyl chloroformate
(2S,4R)-2-(4-aminomethylthiazol-2-yl)-4-(tert-butyldimethylsilanyloxy)-1-(p-nitrobenzyloxycarbonyl)pyrrolidine
(2S,4R)-4-(tert-butyldimethylsilanyloxy)-2-[4-(p-nitrobenzyloxycarbonylaminomethylthiazol-2-yl)]-1-(p-nitrobenzyloxycarbonyl)pyrrolidine
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 1h; | 94.2% |
3-azidopropylamine
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; for 24h; | 94.2% |
(3S,4R)-1-(tert-Butyl-dimethyl-silanyl)-4-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-((R)-1-hydroxy-ethyl)-azetidin-2-one
4-nitrobenzyl chloroformate
Conditions | Yield |
---|---|
With dmap In dichloromethane | 94% |
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