Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:571-20-0
Min.Order:1 Kilogram
FOB Price: $1.0
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:571-20-0
Min.Order:1 Kilogram
FOB Price: $70.0 / 90.0
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:571-20-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry5alpha-Androstane-3b,17b-diol CAS:571-20-0 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 quality organ
Cas:571-20-0
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:571-20-0
Min.Order:1 Kilogram
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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:571-20-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. 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 s
Cas:571-20-0
Min.Order:1 Kilogram
FOB Price: $20.0 / 40.0
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:571-20-0
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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:571-20-0
Min.Order:0 Metric Ton
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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:571-20-0
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:571-20-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermed
Cas:571-20-0
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:571-20-0
Min.Order:1 Metric Ton
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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:571-20-0
Min.Order:0
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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:571-20-0
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:571-20-0
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:571-20-0
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:571-20-0
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:571-20-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Cas:571-20-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & 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:571-20-0
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
We provide tailor-made photoinitiator solutions for different performances by custom synthesisi.blends or other technical supports low-odor uv formulations non-yellowing uv formulations benzene-free uv formulations polymeric uv formulations low
Cas:571-20-0
Min.Order:1 Gram
FOB Price: $10.0 / 20.0
Type:Trading Company
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:571-20-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
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 powder2.
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
Cas:571-20-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With diisobutylaluminium hydride; nickel dichloride In dichloromethane; toluene at -78℃; for 0.25h; Inert atmosphere; | 99% |
Multi-step reaction with 2 steps 1: 97 percent / NaBH4 / methanol / 1 h / 0 - 20 °C 2: 95 percent / NaOH / methanol / 0.17 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: sodium tetrahydroborate; methanol / 0.42 h / 20 °C / Inert atmosphere 2: potassium carbonate / methanol / 24 h / 20 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 0 - 20℃; | 95% |
With ethanol; nickel Hydrogenation; | |
With hydrogenchloride; acetic acid; platinum Hydrogenation.; |
(3S,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate
5-androgen-3,17-diol
Conditions | Yield |
---|---|
With sodium hydroxide In methanol for 0.166667h; Heating; | 95% |
With potassium carbonate In methanol at 20℃; for 24h; Inert atmosphere; | 89% |
With sodium hydroxide In methanol Yield given; |
3β-acetoxy-5α-androstan-17-one
A
(3S,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate
B
5-androgen-3,17-diol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In 1,4-dioxane; methanol for 6h; Ambient temperature; Yields of byproduct given; | A 86% B n/a |
With sodium tetrahydroborate In 1,4-dioxane; methanol for 6h; Ambient temperature; Yields of byproduct given; | A n/a B 760 mg |
3α-hydroxyandrost-4-en-17β-yl acetate
A
5-androgen-3,17-diol
B
androstanediol
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide; diborane Product distribution; multistep reaction: 1.) THF, 0 deg C, 4 h, 2.) overnight; hydroboration of androst-4-enes; stereochemical aspects; | A n/a B n/a C 21% D 63% |
With sodium hydroxide; dihydrogen peroxide; diborane 1.) THF, 0 deg C, 4 h, 2.) overnight; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; | |
With sodium hydroxide; dihydrogen peroxide; diborane 1.) THF, 0 deg C, 4 h, 2.) overnight; Yield given. Multistep reaction. Yields of byproduct given; |
androstanedione
A
Epiandrosterone
B
cis-androsterone
C
5-androgen-3,17-diol
Conditions | Yield |
---|---|
for 504h; Rhodotorula mucilaginosa; | A 18% B 35% C 30% |
Stanolone
A
Epiandrosterone
B
cis-androsterone
C
androstanedione
D
5-androgen-3,17-diol
Conditions | Yield |
---|---|
for 504h; Rhodotorula mucilaginosa; | A 21% B 33% C 5% D 33% |
Stanolone
A
5-androgen-3,17-diol
B
5α-androstane-3β,17β,16β-triol
C
5α-androstane-2β,3α,16α,17β-tetrol
Conditions | Yield |
---|---|
With fungus Gnomonia fructicola In ethanol at 24 - 26℃; for 120h; | A 3% B 20% C 3% |
With fungus Gnomonia fructicola In ethanol at 24 - 26℃; for 120h; | A 3% B 20% C 3% |
androstanedione
A
Epiandrosterone
B
11α-hydroxy-5α-androstane-3,17-dione
C
3β,5α-dihydroxy-5α-androstan-17-one
D
5-androgen-3,17-diol
Conditions | Yield |
---|---|
With Cephalosporium aphidicola In ethanol; dimethyl sulfoxide for 168h; | A 9% B 3.5% C 1% D 5.5% |
Conditions | Yield |
---|---|
With sodium |
Conditions | Yield |
---|---|
With chloroform Kochen des Reaktionsprodukts mit wss.-methanol. KOH; |
diethyl ether
Epiandrosterone
propylmagnesium iodide
5-androgen-3,17-diol
diethyl ether
3β-acetoxy-5α-androstan-17-one
isopropylmagnesium iodide
5-androgen-3,17-diol
Conditions | Yield |
---|---|
Versetzen mit wss.HCl und Erwaermen des Reaktionsprodukts mit methanol.KOH; |
Conditions | Yield |
---|---|
Behandeln mit gaerender Hefe; |
Conditions | Yield |
---|---|
With diethyl ether; palladium Hydrogenation; |
Conditions | Yield |
---|---|
With rot causing bacteria |
Conditions | Yield |
---|---|
With acetic acid; platinum Hydrogenation; | |
With sodium tetrahydroborate; cerium(III) chloride heptahydrate In methanol Luche Cerium Reduction; |
Conditions | Yield |
---|---|
bei der Einwirkung von Faeulnisbakterien; |
Conditions | Yield |
---|---|
With rot causing bacteria in a(n) aqueous yeast-suspension at 36 - 37℃; | |
With ethanol; sodium | |
With fermenting yeast | |
With ethanol; sodium |
Conditions | Yield |
---|---|
With fermenting yeast |
Conditions | Yield |
---|---|
With potassium sulfate; dipotassium peroxodisulfate; sulfuric acid; acetic acid at 25℃; Kochen des Reaktionsprodukts mit aethanol. KOH; |
3β-acetoxy-5α-androstan-17-one
isopropylmagnesium iodide
5-androgen-3,17-diol
Conditions | Yield |
---|---|
With diethyl ether Versetzen mit wss. HCl und Erhitzen des Reaktionsprodukts mit methanol. KOH; |
Conditions | Yield |
---|---|
With fermenting yeast |
3β-acetoxy-17β-cyclohexanecarbonyloxy-5α-androstane
5-androgen-3,17-diol
Conditions | Yield |
---|---|
With potassium hydroxide |
Conditions | Yield |
---|---|
With sodium |
Epiandrosterone
A
5-androgen-3,17-diol
B
(3β,5α,13α)-3-hydroxyandrostane-17-one
C
3β-hydroxy-13,17-seco-5α-androst-13-en-17-aldehyde
Conditions | Yield |
---|---|
With triethylamine In acetonitrile for 0.916667h; Product distribution; Mechanism; Ambient temperature; Irradiation; other steroides; var. solvents; var. time; |
testosterone
A
Epiandrosterone
B
Stanolone
C
cis-androsterone
D
androstanedione
E
5-androgen-3,17-diol
F
androstanediol
Conditions | Yield |
---|---|
With total testicular homogenate of adult Sprague-Dawley rats treated with 6, des-Gly-NH210>LHRH ethylamide Product distribution; metabolism, <3H>labelled study, further: equine antibovine LH serum (JOAN-5-31-67); |
testosterone
A
Stanolone
B
cis-androsterone
C
androstanedione
D
5-androgen-3,17-diol
E
androstanediol
Conditions | Yield |
---|---|
With carbon dioxide; 5α-reductase in testicular cells of adult male Sprague-Dawley rats; oxygen; NADP at 37℃; for 1.5h; Product distribution; Kinetics; <3H>labelled, metabolism with or without 7α-hydroxytestosterone; |
testosterone
A
Stanolone
B
5β-androstan-17β-ol-3-one
C
5-androgen-3,17-diol
D
4-androstenediol
E
4-Androstene-3alpha,17beta-diol
Conditions | Yield |
---|---|
With H2SiEt2; Rh-(R,R)-(+)-DIOP for 24h; Product distribution; other reducing agents; |
Conditions | Yield |
---|---|
With potassium phosphate buffer; 3β,20β-hydroxysteroid oxidoreductase from sheep fetal blood; NADPH at 37℃; for 0.5h; Product distribution; Kinetics; Km = 74 μM, Vmax = 1.3 nmol min-1 (nmol of enzyme)-1; | |
Multi-step reaction with 2 steps 1: 5 percent / 504 h / Rhodotorula mucilaginosa 2: 30 percent / 504 h / Rhodotorula mucilaginosa View Scheme | |
With potassium phosphate; recombinant human aldo-keto reductase 1C1; NADPH In methanol at 37℃; pH=7; Kinetics; Reagent/catalyst; Concentration; aq. phosphate buffer; Enzymatic reaction; stereoselective reaction; | |
With aldo-keto reductase 1D1 E120H mutant; NADPH In acetonitrile at 37℃; pH=6; Kinetics; aq. phosphate buffer; Enzymatic reaction; | |
With potassium phosphate; rabbit aldose reductase-like protein AKR1B19; NADP In methanol at 37℃; pH=7.4; Kinetics; Enzymatic reaction; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 0.0111667h; microwave irradiation; | 100% |
Conditions | Yield |
---|---|
With sodium hypochlorite In acetic acid at 15 - 25℃; | 96% |
at 25℃; for 25h; electrolysis: nickel net anode, cylindrical stainless steel cathode; electrolyte: 0.01M KOH/t-butanol - water (1:1); | 80% |
In acetone at 20℃; for 48h; UV-irradiation; Inert atmosphere; | 44% |
With tert-butyl alcohol; N-bromoacetamide | |
With chromium(VI) oxide; acetic acid |
Conditions | Yield |
---|---|
With pyridine at 28℃; for 48h; | 87% |
(Z)-9-octadecenoyl chloride
5-androgen-3,17-diol
5α-androstane-3β,17β-diol dioleate
Conditions | Yield |
---|---|
With dmap; 1-butyl-3-methylimidazolium chloride In pyridine at 40℃; for 0.0166667h; Microwave irradiation; Ionic liquid; | 85% |
2,2,2-trifluoroethylbutyrate
5-androgen-3,17-diol
Butyric acid (3S,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester
Conditions | Yield |
---|---|
In acetone at 45℃; for 23h; with Chromobacterium viscosum lipase; | 83% |
5-androgen-3,17-diol
1-(p-dimethylaminobenzoyl)-1,2,4-triazole
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane for 24h; Ambient temperature; | 77% |
5-androgen-3,17-diol
ethyl chlorocarbonylacetate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; Inert atmosphere; | 75% |
linoleyl chloride
5-androgen-3,17-diol
5α-androstane-3β,17β-diol dilinoleate
Conditions | Yield |
---|---|
With dmap; 1-butyl-3-methylimidazolium chloride In pyridine at 40℃; for 0.0166667h; Microwave irradiation; Ionic liquid; | 74% |
Conditions | Yield |
---|---|
With Candida antarctica lipase B In tetrahydrofuran at 45℃; for 60h; | 71% |
5-androgen-3,17-diol
Conditions | Yield |
---|---|
With tetrabutylphosphonium dimethyl phosphate; 2,4,6-Triisopropylthiophenol; [Ir(2-(2,4-difluorophenyl)-4-(trifluoromethyl)pyridine)2(5,5'-bis(trifluoromethyl)-2,2'-bipyridine)]PF6 In toluene at 20℃; for 24h; Glovebox; Sealed tube; Irradiation; | 69% |
5-androgen-3,17-diol
3-(4-tert-butylphenyl)glutaric anhydride
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene Heating; | 67% |
5-androgen-3,17-diol
Conditions | Yield |
---|---|
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane for 12h; Ambient temperature; | 64% |
2,2,2-trifluoroethylbutyrate
5-androgen-3,17-diol
butyric acid-(3β-hydroxy-5α-androstanyl-(17β)-ester)
Conditions | Yield |
---|---|
In acetone at 45℃; for 168h; with Bacillus subtilis protease; | 60% |
Conditions | Yield |
---|---|
With potato dextrose broth medium In ethanol at 24 - 26℃; for 96h; Penicillium decumbens ATCC 10436; | A 60% B 10% |
5-androgen-3,17-diol
O-(2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl) trichloroacetimidate
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 20℃; for 3h; | 36% |
5-androgen-3,17-diol
A
Epiandrosterone
B
Stanolone
C
androstanedione
Conditions | Yield |
---|---|
at 25℃; for 12h; electrolysis: nickel net anode, cylindrical stainless steel cathode; electrolyte: 0.01M KOH/t-butanol - water (1:1); | A 3% B 28% C 30% |
5-androgen-3,17-diol
2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl trichloroacetimidate
Conditions | Yield |
---|---|
With trimethylsilyl trifluoromethanesulfonate In dichloromethane at 20℃; for 3h; | 15% |
5-androgen-3,17-diol
5alpha-Androstane-3beta,11beta,17beta-triol
Conditions | Yield |
---|---|
With Aspergillus tamarii KITA (QM 1223) In N,N-dimethyl-formamide at 30℃; for 120h; Microbiological reaction; | 1% |
pyridine
5-androgen-3,17-diol
acetyl chloride
5α-androstane-3-β,17β-diol 17-acetate
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