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:481-30-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
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:481-30-1
Min.Order:1 Kilogram
FOB Price: $60.0 / 100.0
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:481-30-1
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:481-30-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1.Free sample(10-20g or enough to detection) and Unconditional assume respons 2.100% Natural porduct, without any synthetize ingredient 3.Manufacturer direct supply, provide OEM, R&D service 4.ISO/HACCP/KOSHER/GMP/FDA 5.Leading plant extract
Cas:481-30-1
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:481-30-1
Min.Order:0
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
Zibo 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:481-30-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Off-White to Pale Yellow Solid 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:e
Cas:481-30-1
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryISOTESTOSTERONE; DELTA-ANDROSTEN-17A-OL-3-ONE; CIS-TESTOSTERONE; EPITESTOSTERONE; 4-ANDROSTEN-17ALPHA-OL-3-ONE; 17a-testosterone; 17-hydroxy-androst-4-en-3-one; 17-epitestosterone CAS No.: 481-30-1 Molecular formula: C19H28O2 Molecular weight
Our 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
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:481-30-1
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
GOLDEN 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
1,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
High qualityAppearance:White powder Storage:Room temperature Package:Aluminum bag Application:Used in producing API Transportation:By air Port:Beijing
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:481-30-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryEpitestosterone cas 481-30-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Changzhou Helios Biochemical Co., Ltd is a leading manufacturer and supplier for medical intermediates and pesticide intermediates . We specialize in custom synthesis of benzene ring, pyridine and pyrimidine derivatives to help customers to accelerat
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
FAQ 1. Can I get a free sample Yes, but you have to pay the courier fee. 2. How to pay We accept payments in the form of Western Union, MoneyGram, Bitcoin, etc. 3. What should I do if we don’t ship after payment We are a formal c
Cas:481-30-1
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
3-oxoandrost-4-en-17α-yl benzoate
epitestosterone
Conditions | Yield |
---|---|
With potassium hydroxide In methanol at 65℃; for 4h; | 80% |
With potassium hydroxide |
17-epitestosterone 2-(prenyloxymethyl)benzoate
A
3,3-dimethyl acrylaldehyde
B
epitestosterone
C
17-methyl-18-norandrosta-4,13(17)-dien-3-one
Conditions | Yield |
---|---|
Stage #1: 17-epitestosterone 2-(prenyloxymethyl)benzoate With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water at 20℃; for 6h; Stage #2: In dichloromethane at 20℃; for 24h; Further stages.; | A n/a B 30% C n/a D n/a |
Conditions | Yield |
---|---|
With sodium acetate at 60℃; Reduktion an Blei-Kathoden; |
Conditions | Yield |
---|---|
mit Hilfe von Actinomyces viridochromogenes; |
Androstene oxide
epitestosterone
Conditions | Yield |
---|---|
With manganese(IV) oxide; lithium aluminium tetrahydride |
Conditions | Yield |
---|---|
With potassium hydroxide In methanol Heating; Yield given; |
epitestosterone
Conditions | Yield |
---|---|
With potassium hydroxide |
epitestosterone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: Yb(OTf)3*H2O / CH2Cl2 / 7 h / 20 °C 2.1: 85 percent / triphenylphosphine; diisopropyl azodicarboxylate / tetrahydrofuran / 1 h / 65 °C 3.1: DDQ / CH2Cl2; H2O / 6 h / 20 °C 3.2: 30 percent / Yb(ONf)3*xH2O / CH2Cl2 / 24 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 85 percent / triphenylphosphine; diisopropyl azodicarboxylate / tetrahydrofuran / 1 h / 65 °C 2.1: DDQ / CH2Cl2; H2O / 6 h / 20 °C 2.2: 30 percent / Yb(ONf)3*xH2O / CH2Cl2 / 24 h / 20 °C View Scheme |
testosterone 2-(prenyloxymethyl)benzoate
epitestosterone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: DDQ / CH2Cl2; H2O / 6 h / 20 °C 2.1: Yb(OTf)3*H2O / CH2Cl2 / 7 h / 20 °C 3.1: 85 percent / triphenylphosphine; diisopropyl azodicarboxylate / tetrahydrofuran / 1 h / 65 °C 4.1: DDQ / CH2Cl2; H2O / 6 h / 20 °C 4.2: 30 percent / Yb(ONf)3*xH2O / CH2Cl2 / 24 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 100 percent / pyridine / 0.25 h / 0 - 20 °C 2: 76 percent / 18-crown-6 / benzene / 72 h / Heating 3: 5percent KOH / methanol / Heating View Scheme | |
Multi-step reaction with 3 steps 1: 100 percent / pyridine / 0.25 h / 0 - 20 °C 2: 76 percent / CsOAc, 18-crow-6 / benzene / 72 h / Heating 3: 5percent KOH / methanol / Heating View Scheme |
Chloro-methanesulfonic acid (8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl ester
epitestosterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 76 percent / 18-crown-6 / benzene / 72 h / Heating 2: 5percent KOH / methanol / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 76 percent / CsOAc, 18-crow-6 / benzene / 72 h / Heating 2: 5percent KOH / methanol / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 44 percent / NaNO2 / dimethylsulfoxide / 1 h / 135 °C 2: 64 percent / pyridine / 20 h / Ambient temperature 3: 90 percent / conc. HCl / CHCl3; methanol / 64 h / Ambient temperature 4: 89 percent / aluminium isopropoxide / toluene; cyclohexanone / 0.75 h / Heating 5: 80 percent / 5percent KOH / methanol / 4 h / 65 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 99 percent / NaBH4 / methanol; ethyl acetate; CH2Cl2 / 1 h 2: pyridine / 72 h / 30 °C 3: 44 percent / NaNO2 / dimethylsulfoxide / 1 h / 135 °C 4: 64 percent / pyridine / 20 h / Ambient temperature 5: 90 percent / conc. HCl / CHCl3; methanol / 64 h / Ambient temperature 6: 89 percent / aluminium isopropoxide / toluene; cyclohexanone / 0.75 h / Heating 7: 80 percent / 5percent KOH / methanol / 4 h / 65 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: pyridine / 72 h / 30 °C 2: 44 percent / NaNO2 / dimethylsulfoxide / 1 h / 135 °C 3: 64 percent / pyridine / 20 h / Ambient temperature 4: 90 percent / conc. HCl / CHCl3; methanol / 64 h / Ambient temperature 5: 89 percent / aluminium isopropoxide / toluene; cyclohexanone / 0.75 h / Heating 6: 80 percent / 5percent KOH / methanol / 4 h / 65 °C View Scheme |
androst-5-ene-3β,17α-diyl 3-acetate 17-benzoate
epitestosterone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 90 percent / conc. HCl / CHCl3; methanol / 64 h / Ambient temperature 2: 89 percent / aluminium isopropoxide / toluene; cyclohexanone / 0.75 h / Heating 3: 80 percent / 5percent KOH / methanol / 4 h / 65 °C View Scheme |
3β-hydroxyandrost-5-en-17α-yl benzoate
epitestosterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 89 percent / aluminium isopropoxide / toluene; cyclohexanone / 0.75 h / Heating 2: 80 percent / 5percent KOH / methanol / 4 h / 65 °C View Scheme |
17α-hydroxyandrost-5-en-3β-yl 3-acetate
epitestosterone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 64 percent / pyridine / 20 h / Ambient temperature 2: 90 percent / conc. HCl / CHCl3; methanol / 64 h / Ambient temperature 3: 89 percent / aluminium isopropoxide / toluene; cyclohexanone / 0.75 h / Heating 4: 80 percent / 5percent KOH / methanol / 4 h / 65 °C View Scheme |
Conditions | Yield |
---|---|
With unidentified fungal species isolated from grinded corn In water at 37℃; for 1h; pH=7; aq. phosphate buffer; Microbiological reaction; Enzymatic reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 2: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 3: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction View Scheme | |
Multi-step reaction with 4 steps 1: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 2: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 3: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 4: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 2: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction View Scheme | |
Multi-step reaction with 3 steps 1: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 2: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 3: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 2: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 2: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction 3: unidentified fungal species isolated from grinded corn / water / 1 h / 37 °C / pH 7 / aq. phosphate buffer; Microbiological reaction; Enzymatic reaction View Scheme |
trimethylsilyl iodide
epitestosterone
Conditions | Yield |
---|---|
With 1,4-dithio-erythritol; N-methyl-N-trimethylsilyl-2,2,2-trifluoroacetamide at 60℃; for 0.25h; | 99% |
Conditions | Yield |
---|---|
In acetonitrile for 5h; Substitution; Heating; | 95% |
Conditions | Yield |
---|---|
With pyridine Ambient temperature; | 91% |
Conditions | Yield |
---|---|
With pyridine; acetic anhydride Ambient temperature; | 90% |
n-dodecanoyl chloride
epitestosterone
3-oxoandrost-4-en-17α-yl dodecanoate
Conditions | Yield |
---|---|
With pyridine Ambient temperature; | 89% |
epitestosterone
Conditions | Yield |
---|---|
With potassium dihydrogenphosphate; cytochrome P450 monooxygenase Lg-23 mutant at 25℃; for 20h; Enzymatic reaction; regioselective reaction; | 82% |
epitestosterone
tetradecanoyl chloride
3-oxoandrost-4-en-17α-yl tetradecanoate
Conditions | Yield |
---|---|
With pyridine Ambient temperature; | 80% |
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In toluene at 80℃; for 1h; | 72% |
epitestosterone
Stearoyl chloride
3-oxoandrost-4-en-17α-yl octadecanoate
Conditions | Yield |
---|---|
With pyridine Ambient temperature; | 71% |
epitestosterone
A
5alpha-Androstane-17alpha-ol-3-one
B
5beta-Androstane-17alpha-ol-3-one
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol | A 13% B 67% |
With hydrogen; Lindlar's catalyst In tetrahydrofuran for 2h; | A 11% B 66% |
With hydrogen; palladium on activated charcoal In methanol | A 22 % Chromat. B 76 % Chromat. |
Conditions | Yield |
---|---|
With pyridine Ambient temperature; | 62% |
Conditions | Yield |
---|---|
With pyridine Ambient temperature; | 57% |
Conditions | Yield |
---|---|
With pyridine for 6h; Ambient temperature; | 55% |
epitestosterone
(trifluoromethyl)trimethylsilane
Conditions | Yield |
---|---|
With potassium fluoride; 2-fluoropyridine; silver trifluoromethanesulfonate; Selectfluor In ethyl acetate at 20℃; for 12h; Glovebox; Inert atmosphere; | 54% |
epitestosterone
Heptanoic acid chloride
3-oxoandrost-4-en-17α-yl heptanoate
Conditions | Yield |
---|---|
With pyridine Ambient temperature; | 53% |
Conditions | Yield |
---|---|
With pyridine at 20℃; | 41% |
Conditions | Yield |
---|---|
With sodium In pentan-1-ol for 0.666667h; Heating; | 7% |
Multi-step reaction with 2 steps 1: 13 percent / hydrogen / 10percent Pd/C / ethanol 2: 20 percent / hydrogen / platinum / acetic acid View Scheme |
epitestosterone
p-toluenesulfonyl chloride
17α-(toluene-4-sulfonyloxy)-androst-4-en-3-one
Conditions | Yield |
---|---|
In tetrahydrofuran |
epitestosterone
Conditions | Yield |
---|---|
With N-(2-chloro-1,1,2-trifluoroethyl)diethylamine In tetrahydrofuran | |
Multi-step reaction with 2 steps 1: pyridine / 0 °C 2: Zn(OAc)2 / dioxane / 8 h / 90 °C View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / 0 °C 2: Zn(OAc)2 / dioxane / 24 h / 90 °C View Scheme |
epitestosterone
Conditions | Yield |
---|---|
With N-(2-chloro-1,1,2-trifluoroethyl)diethylamine In tetrahydrofuran |
Conditions | Yield |
---|---|
reaction with green cell suspension culture of Marchantia polymorpha; |
Conditions | Yield |
---|---|
With propylene glycol; human adrenal hydroxysteroid sulfotransferase (EC 2.8.2.2); PAPS for 0.166667h; Kinetics; |
epitestosterone
tert-butyldimethylsilyl chloride
(8R,9S,10R,13S,14S,17R)-17-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide Ambient temperature; |
epitestosterone
Conditions | Yield |
---|---|
With potassium tert-butylate; tert-butyl alcohol |
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