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:2638-94-0
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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
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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
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inquiry4,4'-Azobis(4-cyanovaleric acid) Basic information Product Name: 4,4'-Azobis(4-cyanovaleric acid) Synonyms: 4,4’-Azobis-(4-cyanopentanoic;4,4’-azobis(4-cyano-pentanoi
Cas:2638-94-0
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inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can
Cas:2638-94-0
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FOB Price: $520.0 / 888.0
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:2638-94-0
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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 We can also provide MT1 peptide powd
Cas:2638-94-0
Min.Order:1 Metric Ton
FOB Price: $65.0 / 99.0
Type:Trading Company
inquiryProduct name 4,4'-Azobis(4-cyanovaleric acid) Synonyms 4,4'-Azobis(4-cyanopentanoic acid); ACVA CAS 2638-94-0 Molecular Formula C12H16
Cas:2638-94-0
Min.Order:1 Kilogram
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Type:Other
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
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:2638-94-0
Min.Order:1 Kilogram
FOB Price: $89.0 / 100.0
Type:Trading Company
inquiry4,4'-Azobis(4-cyanovaleric acid) CAS:2638-94-0 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 quali
Cas:2638-94-0
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:2638-94-0
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
Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Cas:2638-94-0
Min.Order:0
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
Cas:2638-94-0
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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:2638-94-0
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
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Min.Order:10 Gram
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Type:Lab/Research institutions
inquirySuperior quality Appearance:white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:4,4’Azobis(4-cyanovaleric Acid) is a water so
Cas:2638-94-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct name: 4,4’-Azobis(4-Cyano Valeric Acid) CAS No.:2638-94-0 Molecule Formula:C12H16N4O4 Molecule Weight:280.80 Purity: 99% Package:25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
Cas:2638-94-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:2638-94-0
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 4,4'-Azobis(4-cyanovaleric acid) Synonyms: 4'-Azobis(4-cyanovaleric acid);(E)-4,4'-(diazene-1,2-diyl)bis(4-cyanopentanoic acid);4,4'-Azobis(4-cyanovaleric acid) >=98.0% (T);4,4'-Azobis(4-cyanovaleric acid) &
Cas:2638-94-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:2638-94-0
Min.Order:1 Kilogram
FOB Price: $2.0
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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:2638-94-0
Min.Order:0
Negotiable
Type:Manufacturers
inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:2638-94-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:2638-94-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2638-94-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:2638-94-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
4,4'-dicyano-4,4'-azo-di-valeric acid
Conditions | Yield |
---|---|
With oxone; potassium bromide In water at 20℃; | 26% |
Conditions | Yield |
---|---|
With sulfuric acid; water; hydrazine Behandeln des Reaktionsgemisches mit Brom; optically inactive stereoisomer(ic) of mp: 111 degree; | |
With sulfuric acid; water; hydrazine Behandeln des Reaktionsgemisches mit Brom; optically inactive stereoisomer(ic) of mp: 128 degree; |
1-hydroxy-pyrrolidine-2,5-dione
4,4'-dicyano-4,4'-azo-di-valeric acid
4-Cyano-4-[1-cyano-3-(2,5-dioxo-pyrrolidin-1-yloxycarbonyl)-1-methyl-propylazo]-4-methyl-butyric acid 2,5-dioxo-pyrrolidin-1-yl ester
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; for 37h; | 98% |
With dicyclohexyl-carbodiimide In 1,4-dioxane at 15 - 20℃; for 16h; |
4,4'-dicyano-4,4'-azo-di-valeric acid
chloride of 4,4'-azo-bis(4-cyanopentanoic) acid chloride
Conditions | Yield |
---|---|
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 3h; | 95.6% |
With thionyl chloride at 80℃; for 0.666667h; | 93% |
With phosphorus pentachloride In chloroform at 0 - 20℃; | 84% |
4,4'-dicyano-4,4'-azo-di-valeric acid
Conditions | Yield |
---|---|
In ethyl acetate for 18h; Inert atmosphere; Reflux; | 95.4% |
2-(N-tert-butoxycarbonylamino)ethanol
4,4'-dicyano-4,4'-azo-di-valeric acid
Conditions | Yield |
---|---|
With dmap In acetonitrile at 0 - 20℃; for 24h; | 95% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 24h; Inert atmosphere; Darkness; | 92% |
4,4'-dicyano-4,4'-azo-di-valeric acid
bis(dodecylsulfanyl thiocarbonyl)disulfide
4-cyano-4-[(dodecylsulfanylthiocarbonyl)-sulfanyl]pentanoic acid
Conditions | Yield |
---|---|
In ethyl acetate for 16h; Heating / reflux; | 91% |
In ethyl acetate for 22h; Reflux; | 91% |
In ethyl acetate for 18h; Reflux; | 76% |
In ethyl acetate for 22h; Reflux; | 4.162 g |
With ethyl acetate for 20h; Reflux; |
Conditions | Yield |
---|---|
Stage #1: carbon disulfide; 1-thiopropane With potassium hydroxide In water; acetone at 20℃; for 2h; Stage #2: With p-toluenesulfonyl chloride In acetone for 1h; Stage #3: 4,4'-dicyano-4,4'-azo-di-valeric acid at 80℃; | 90% |
bis(ethylsulfanyl thiocarbonyl)disulfide
4,4'-dicyano-4,4'-azo-di-valeric acid
cyano-4-[(ethylsulfanylthiocarbonyl)sulfanyl]-4-methylbutanoic acid
Conditions | Yield |
---|---|
In ethyl acetate Reflux; Inert atmosphere; | 88% |
In ethyl acetate for 12h; Reflux; | 87% |
In ethyl acetate at 80℃; for 13h; Cooling with ice; Sealed tube; Inert atmosphere; | 82% |
Conditions | Yield |
---|---|
With 2,6-dimethylpyridine; trifluoroacetic anhydride In dichloromethane at 0℃; for 24h; Inert atmosphere; | 88% |
thiazolidine-2-thione
4,4'-dicyano-4,4'-azo-di-valeric acid
2-[1-cyano-1-methyl-4-oxo-4-(2-thioxo-thiazolidin-3-yl)-butylazo]-2-methyl-5-oxo-5-(2-thioxothiazolidin-3-yl)-pentanenitrile
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃; | 86.3% |
Stage #1: thiazolidine-2-thione; 4,4'-dicyano-4,4'-azo-di-valeric acid With dmap In dichloromethane for 0.25h; Cooling with ice; Stage #2: With diisopropyl-carbodiimide In dichloromethane at 20℃; for 0.25h; | 76.2% |
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran |
4,4'-dicyano-4,4'-azo-di-valeric acid
triphenylmethyl diethoxyphosphoryldithioformate
Conditions | Yield |
---|---|
In ethyl acetate for 15h; Heating; | 85% |
carbon disulfide
1-butanethiol
4,4'-dicyano-4,4'-azo-di-valeric acid
4(((butylthio)carbonthioyl)thio)-4-cyanopentanoic acid
Conditions | Yield |
---|---|
Stage #1: n-butanethiol With potassium hydroxide In water for 0.5h; Stage #2: carbon disulfide In water for 0.666667h; Stage #3: 4,4'-dicyano-4,4'-azo-di-valeric acid Further stages; | 85% |
4,4'-dicyano-4,4'-azo-di-valeric acid
B
4-cyano-4-(thiobenzoylthio)pentanoic acid
Conditions | Yield |
---|---|
In methanol at 80℃; for 3h; | A 82% B n/a |
Conditions | Yield |
---|---|
With propiononitrile at 90℃; | 80% |
4,4'-dicyano-4,4'-azo-di-valeric acid
2'-(2''-methylacryolyloxy)ethyl-β-D-galactopyranoside
4-cyano-4-(thiobenzoylthio)pentanoic acid
poly[2-(β-D-galactosyloxy)ethyl methacrylate], Mn (SEC) 24100, PDI (SEC) 1.09; monomer(s): 2-(β-D-galactosyloxy)ethyl methacrylate; 4,4-azobis(4-cyanopentanoic acid); 4-(cyanopentanoic acid)-4-dithiobenzoate
Conditions | Yield |
---|---|
In ethanol; water at 70℃; for 3h; | 80% |
bis(2-phenylethanesulfanylthiocarbonyl)disulfide
4,4'-dicyano-4,4'-azo-di-valeric acid
4-cyano-4-((2-phenylethylsulfanylthiocarbonyl)sulfanyl)pentanoic acid
Conditions | Yield |
---|---|
In ethyl acetate for 18h; Inert atmosphere; Reflux; | 78% |
In ethyl acetate for 18h; Inert atmosphere; Reflux; | 78% |
In ethyl acetate for 18h; Inert atmosphere; Reflux; |
bis-ethoxythiocarbonyldisulfane
4,4'-dicyano-4,4'-azo-di-valeric acid
4-cyano-4-((thioethoxyl)sulfanyl)pentanoic acid
Conditions | Yield |
---|---|
In 1,4-dioxane for 4h; Heating; | 77% |
4,4'-dicyano-4,4'-azo-di-valeric acid
1-hydroxy-2-phenyl-2-(4-tert-butoxycarbonylamino-2,2,6,6-tetramethyl-1-piperidinyloxy)ethane
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 8h; Ambient temperature; | 76% |
bis(thiobenzoyl) disulfide
4,4'-dicyano-4,4'-azo-di-valeric acid
4-cyano-4-(thiobenzoylthio)pentanoic acid
Conditions | Yield |
---|---|
In ethyl acetate at 85℃; for 12h; Inert atmosphere; | 75% |
In ethyl acetate for 18h; Heating; | 68% |
In ethyl acetate Reflux; | 65% |
4,4'-dicyano-4,4'-azo-di-valeric acid
Propargylamine
4-cyano-4-(1-cyano-3-ethynylcarbamoyl-1-methylpropylazo)-N-ethynyl-4-methylbutyramide
Conditions | Yield |
---|---|
Stage #1: 4,4'-dicyano-4,4'-azo-di-valeric acid With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0℃; for 0.0833333h; Inert atmosphere; Stage #2: Propargylamine In N,N-dimethyl-formamide at 0 - 25℃; for 12.5h; Inert atmosphere; | 75% |
With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Cooling with ice; | 75% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane for 3h; | 69% |
Stage #1: 4,4'-dicyano-4,4'-azo-di-valeric acid With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at 20℃; for 0.333333h; Stage #2: Propargylamine In tetrahydrofuran at 20℃; for 4h; | 48% |
4,4'-dicyano-4,4'-azo-di-valeric acid
N-(2-methyl-2-propyl)-N-(1-diethylphosphono-2,2-dimethylpropyl)aminoxyl
4-cyano-4-[N-tert-butyl-N-(1-diethoxyphosphoryl-2,2-dimethylpropyl)aminoxy]pentanoic acid
Conditions | Yield |
---|---|
In ethanol; water at 10℃; for 4h; UV-irradiation; | 70% |
3-azidopropan-1-ol
4,4'-dicyano-4,4'-azo-di-valeric acid
4,4'-azobis(3-azidopropyl 4-cyanopentanoate)
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran; dichloromethane at 4 - 20℃; | 66% |
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran; dichloromethane at 4 - 20℃; | 1.5 g |
4,4'-dicyano-4,4'-azo-di-valeric acid
1-hydroxy-2-phenyl-2-(2',2',6',6'-tetramethyl-1'-piperidinyloxy)ethane
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In N,N-dimethyl-formamide at 20℃; for 72h; | 65% |
Conditions | Yield |
---|---|
Stage #1: 4,4'-dicyano-4,4'-azo-di-valeric acid With chloroformic acid ethyl ester; triethylamine In dichloromethane at -4℃; for 1.5h; Inert atmosphere; Stage #2: 1-amino-3-(dimethylamino)propane In dichloromethane at -4 - 20℃; for 24h; Inert atmosphere; | 65% |
N-BOC-1,2-diaminoethane
4,4'-dicyano-4,4'-azo-di-valeric acid
(2-{4-[3-(2-tert-butoxycarbonylaminoethylcarbamoyl)-1-cyano-1-methylpropylazo]-4-cyano-4-methylbutyrylamino}-ethyl)carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane for 3h; | 62% |
t-butoxycarbonylhydrazine
4,4'-dicyano-4,4'-azo-di-valeric acid
N′-[4-cyano-4-(1-cyano-1-methyl-3-methylcarbamoylpropylazo)-4-methylbutyryl]hydrazinecarboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane for 3h; | 61% |
4,4'-dicyano-4,4'-azo-di-valeric acid
allyl alcohol
bisallyl 4,4'-azobis(4-cyanopentanoate)
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; Darkness; | 60% |
4,4'-dicyano-4,4'-azo-di-valeric acid
1-aminooctadecane
4-cyano-4-(1-cyano-1-methyl-3-octadecylcarbamoyl-propylazo)-4-methyl-N-octadecyl-butyramide
Conditions | Yield |
---|---|
Stage #1: 4,4'-dicyano-4,4'-azo-di-valeric acid With dmap; triethylamine In dichloromethane for 0.25h; Stage #2: 1-aminooctadecane With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 18h; Further stages.; | 59% |
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine In dichloromethane at 20℃; for 12h; | 46% |
4,4'-dicyano-4,4'-azo-di-valeric acid
4-cyano-4-(thiobenzoylthio)pentanoic acid
Conditions | Yield |
---|---|
With pyrrol-N-thiocarbonyl disulfides In ethyl acetate for 20h; | 59% |
Multi-step reaction with 3 steps 1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 3 h / 20 °C 2: N-ethyl-N,N-diisopropylamine / dichloromethane / 20 °C / Inert atmosphere 3: ethyl acetate / 20 h / 80 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Stage #1: 4,4'-dicyano-4,4'-azo-di-valeric acid With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane Stage #2: 2-hydroxyethyl acrylate In dichloromethane | 54.1% |
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