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Hebei Nengqian Chemical Import and Export Co., LTD

With 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

Dehydroandrosterone CAS:2283-82-1

Cas:2283-82-1

Min.Order:1 Kilogram

FOB Price: $50.0 / 80.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.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

Androst-5-en-17-one,3-hydroxy-, (3a)-

Cas:2283-82-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Androst-5-en-17-one,3-hydroxy-, (3a)-

Cas:2283-82-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

Androst-5-en-17-one,3-hydroxy-, (3a)-

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

Dehydroandrosterone

Cas:2283-82-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Dehydroandrosterone

Cas:2283-82-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

KAISA GROUP INC

1.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

2283-82-1 CAS NO.2283-82-1

Cas:2283-82-1

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Androst-5-en-17-one,3-hydroxy-, (3a)-

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

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

Androst-5-en-17-one,3-hydroxy-, (3a)-

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Dehydroandrosterone CAS No.2283-82-1

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

2283-82-1

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Dehydroandrosterone

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home an

Dehydroandrosterone manufacture

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Dehydroandrosterone

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

Henan Sunlake Enterprise Corporation Our Advantages 1, Any inquiry about ch

Dehydroandrosterone

Cas:2283-82-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Shengang Trading Co.,Ltd

Hebei Shengang Trading Co., Ltd is an experienced enterprise of supplier various kind pharmaceutical intermediates. Our R&D center also offer custom synthesis services. 1.we have rich experience in this field. 2.we can provide competi

best price Dehydroandrosterone

Cas:2283-82-1

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

2283-82-1 CAS NO.2283-82-1

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

Dehydroandrosterone manufactureAppearance:Detailed see specifications Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like

Dehydroandrosterone

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Sparrow Chemical Co.,Ltd

Our company provides the best service for our customers. Under the premise of ensuring quality and delivery date, give customers the best price. The company is more willing to meet our customers. If you want to visit our factories and warehouses, we

DEHYDROANDROSTERONE

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

Dehydroandrosterone CAS NO.2283-82-1Appearance:White powder Storage:cool,dry place Package:According to customer requirements for packaging Application:It is a new type of hormonal premix drugs, it is different pharmacological effects of the time a m

Dehydroandrosterone CAS NO.2283-82-1

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients

5-androsten-3α-ol-17-one

Cas:2283-82-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

(3R,8R,9S,10R,13S,14S)-10,13-dimethyl-17-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate
5223-99-4

(3R,8R,9S,10R,13S,14S)-10,13-dimethyl-17-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
With methanol; sodium hydroxide at 40℃; for 4h; Inert atmosphere;95.8%
With potassium hydroxide In methanol for 1h; Heating;1.9 g
17,17-ethylenedioxy-androst-5-ene-3α-ol
14456-21-4

17,17-ethylenedioxy-androst-5-ene-3α-ol

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
With hydrogenchloride80%
With hydrogenchloride In ethanol; water for 5h; Reflux;
dehydroepiandrosterone p-nitrobenzoate
1383292-25-8

dehydroepiandrosterone p-nitrobenzoate

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
With potassium hydroxide In methanol; water for 1h; Sonication;72%
With NaOH In tetrahydrofuran; methanol; water
5-androstenedione
571-36-8

5-androstenedione

A

dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

B

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
With ethanol; nickel Hydrogenation;
3β-tosyloxyandrost-5-ene-17-one
2719-96-2

3β-tosyloxyandrost-5-ene-17-one

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 3.2 g / various solvent(s) / 4 h / 160 °C
2: 1.9 g / aq. KOH / methanol / 1 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: 3.2 g / tetra-n-butylammonium acetate / various solvent(s) / 4 h / 160 °C
2: 1.9 g / aq. KOH / methanol / 1 h / Heating
View Scheme
3β-acetoxy-5α,6α-epoxy-androst-17-one, ethylene ketal
115350-45-3

3β-acetoxy-5α,6α-epoxy-androst-17-one, ethylene ketal

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: lithium aluminium tetrahydride
2: pyridine
3: N,N-dimethyl-aniline
4: potassium hydroxide
5: hydrogenchloride
View Scheme
Multi-step reaction with 5 steps
1: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 35 °C / Reflux
2: pyridine / dichloromethane / 16 h / 10 - 20 °C / Cooling with ice
3: N,N-dimethyl-aniline / chloroform / 5 h / Reflux
4: potassium hydroxide; water / methanol / 1 h / Reflux
5: hydrogenchloride / ethanol; water / 5 h / Reflux
View Scheme
17,17-ethylenedioxy-androstane-3β,5α-diol

17,17-ethylenedioxy-androstane-3β,5α-diol

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: pyridine
2: N,N-dimethyl-aniline
3: potassium hydroxide
4: hydrogenchloride
View Scheme
Multi-step reaction with 4 steps
1: pyridine / dichloromethane / 16 h / 10 - 20 °C / Cooling with ice
2: N,N-dimethyl-aniline / chloroform / 5 h / Reflux
3: potassium hydroxide; water / methanol / 1 h / Reflux
4: hydrogenchloride / ethanol; water / 5 h / Reflux
View Scheme
17,17-ethylenedioxy-3β-methanesulfonyloxy-androstane-5α-ol
15577-68-1

17,17-ethylenedioxy-3β-methanesulfonyloxy-androstane-5α-ol

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: N,N-dimethyl-aniline
2: potassium hydroxide
3: hydrogenchloride
View Scheme
Multi-step reaction with 3 steps
1: N,N-dimethyl-aniline / chloroform / 5 h / Reflux
2: potassium hydroxide; water / methanol / 1 h / Reflux
3: hydrogenchloride / ethanol; water / 5 h / Reflux
View Scheme
5-androsten-3α-ol-17-one acetate 17-ethylene ketal
14456-20-3

5-androsten-3α-ol-17-one acetate 17-ethylene ketal

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium hydroxide
2: hydrogenchloride
View Scheme
Multi-step reaction with 2 steps
1: potassium hydroxide; water / methanol / 1 h / Reflux
2: hydrogenchloride / ethanol; water / 5 h / Reflux
View Scheme
prasterone acetate

prasterone acetate

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: p-toluenesulfonic acid monohydrate
2: 3-chloro-benzenecarboperoxoic acid
3: lithium aluminium tetrahydride
4: pyridine
5: N,N-dimethyl-aniline
6: potassium hydroxide
7: hydrogenchloride
View Scheme
Multi-step reaction with 7 steps
1: orthoformic acid triethyl ester / toluene-4-sulfonic acid / 3 h / Inert atmosphere; Reflux
2: 3-chloro-benzenecarboperoxoic acid / dichloromethane / -5 - 20 °C
3: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 35 °C / Reflux
4: pyridine / dichloromethane / 16 h / 10 - 20 °C / Cooling with ice
5: N,N-dimethyl-aniline / chloroform / 5 h / Reflux
6: potassium hydroxide; water / methanol / 1 h / Reflux
7: hydrogenchloride / ethanol; water / 5 h / Reflux
View Scheme

3α-hydroxy-androst-5-en-17-one

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 3-chloro-benzenecarboperoxoic acid
2: lithium aluminium tetrahydride
3: pyridine
4: N,N-dimethyl-aniline
5: potassium hydroxide
6: hydrogenchloride
View Scheme
Multi-step reaction with 6 steps
1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / -5 - 20 °C
2: lithium aluminium tetrahydride / tetrahydrofuran / 3 h / 35 °C / Reflux
3: pyridine / dichloromethane / 16 h / 10 - 20 °C / Cooling with ice
4: N,N-dimethyl-aniline / chloroform / 5 h / Reflux
5: potassium hydroxide; water / methanol / 1 h / Reflux
6: hydrogenchloride / ethanol; water / 5 h / Reflux
View Scheme
Androstenedione
63-05-8

Androstenedione

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: potassium tert-butylate / tert-butyl alcohol / 1 h / 30 - 35 °C / Inert atmosphere
1.3: 65 h / 45 °C / pH 6.5 / Enzymatic reaction
2.1: D-glucose; NAD; glucose dehydrogenase (CDX-901)_; ketoreductase from Sphingomonas wittichii; potassium carbonate / ethyl acetate; aq. phosphate buffer / 21 h / 32.5 °C / pH 6.3 - 6.5 / Inert atmosphere; Enzymatic reaction
3.1: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 5 - 20 °C / Inert atmosphere
4.1: potassium hydroxide / water; methanol / 1 h / Sonication
View Scheme
Multi-step reaction with 4 steps
1: potassium tert-butylate / tert-butyl alcohol / 1 h / 30 - 35 °C / Inert atmosphere
2: D-glucose; NAD; glucose dehydrogenase (CDX-901)_; ketoreductase from Sphingomonas wittichii; potassium carbonate / ethyl acetate; aq. phosphate buffer / 21 h / 32.5 °C / pH 6.3 - 6.5 / Inert atmosphere; Enzymatic reaction
3: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 5 - 20 °C / Inert atmosphere
4: potassium hydroxide / water; methanol / 1 h / Sonication
View Scheme
dehydroepiandrosterone
53-43-0

dehydroepiandrosterone

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 5 - 20 °C / Inert atmosphere
2: potassium hydroxide / water; methanol / 1 h / Sonication
View Scheme
5-androstenedione
571-36-8

5-androstenedione

3α-hydroxy-androst-5-en-17-one
2283-82-1

3α-hydroxy-androst-5-en-17-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: D-glucose; NAD; glucose dehydrogenase (CDX-901)_; ketoreductase from Sphingomonas wittichii; potassium carbonate / ethyl acetate; aq. phosphate buffer / 21 h / 32.5 °C / pH 6.3 - 6.5 / Inert atmosphere; Enzymatic reaction
2: triphenylphosphine; di-isopropyl azodicarboxylate / tetrahydrofuran / 5 - 20 °C / Inert atmosphere
3: potassium hydroxide / water; methanol / 1 h / Sonication
View Scheme

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