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Shanghai Seasonsgreen Chemical Co.,Ltd

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

lower price High quality androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

Androst-3,5-dien-7,17-dione CAS:1420-49-1

Cas:1420-49-1

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity 鈮 9% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package can

Androsta-3,5-diene-7,17-dione CAS 1420-49-1

Cas:1420-49-1

Min.Order:1 Metric Ton

FOB Price: $5.0 / 10.0

Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Androsta-3,5-diene-7,17-dione/ LIDE PHARMA- Factory supply / Best price

Cas:1420-49-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:Powder Storage:Store in sealed containers at cool & dry plac

Arimistane Prohormone Supplements Steroids hormone 99% CAS 1420-49-1

Cas:1420-49-1

Min.Order:100 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.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

Androsta-3,5-diene-7,17-dione 1420-49-1

Cas:1420-49-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Androsta-3,5-diene-7,17-dione CAS: 1420-49-1 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 org

Androsta-3,5-diene-7,17-dione CAS: 1420-49-1

Cas:1420-49-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products wi

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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Lonwin Chemical Group Limited

Androsta-3,5-diene-7,17-dione CAS: 1420-49-1 Specification product name: androsta-3,5-diene-7,17-dione synonyms: 3,5-androstadiene-7,17-dione;androsta-3,5-diene-7,17-dione;androst-3,5-diene-7,17-dione;nsc 134910;androst-3,5-

Factory supply Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao

Androsta-3,5-diene-7,17-dione 1420-49-1

Cas:1420-49-1

Min.Order:1 Kilogram

FOB Price: $16.0 / 20.0

Type:Lab/Research institutions

inquiry

Hubei Mawer Biological Technology Co., Ltd.

Our service: 1.We have experience in exporting Pharmaceutical intermediates . 2.Professional packing with professional materials 3. We have products in stock, and we will deliver them soon when your PO arrived. Meanwhile we will give you the trackin

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:10 Gram

Negotiable

Type:Other

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hangzhou J&H Chemical Co., Ltd.

J&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

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

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

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Androsta-3,5-Diene-7,17-Dione CAS No.:1420-49-1 Molecule Formula:C19H24O2 Molecule Weight:284.39 Purity: 98.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality Androsta-3,5-Diene-7,17-Dione on stock

Cas:1420-49-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

Product 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,

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

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

Top Purity Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:0

Negotiable

Type:Trading Company

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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,

Androst-3,5-dien-7,17-dione

Cas:1420-49-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?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

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

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

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

High 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 produc

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Wuhan Fortuna Chemical Co.,Ltd

1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers

androsta-3,5-diene-7,17-dione1420-49-1

Cas:1420-49-1

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Golden Pharma Co., Limited

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

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Bluecrystal chem-union

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

Arimistane/ Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

Androsta-3,5-diene-7,17-dione

Cas:1420-49-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

7-keto-DHEA
1139932-08-3

7-keto-DHEA

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With perchloric acid In methanol86%
5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With perchloric acid In methanol; water at 20℃; for 12h;80%
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

5-androstene-3β-ol-7,17-dione
566-19-8

5-androstene-3β-ol-7,17-dione

A

3β-(2-tetrahydropyranyloxy)-androst-5-ene-7,17-dione
102890-86-8

3β-(2-tetrahydropyranyloxy)-androst-5-ene-7,17-dione

B

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 3h;A 68%
B 0.150 g
3β-acetoxy-5α,6β-dibromocholestane
514-50-1

3β-acetoxy-5α,6β-dibromocholestane

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With chromium(VI) oxide; acetic acid at 28 - 45℃; ueber mehrere Reaktionsstufen;
3β-Chlor-7β-hydroxyandrost-5-en-17-on

3β-Chlor-7β-hydroxyandrost-5-en-17-on

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With silver nitrate; dimethyl sulfoxide
3β-acetoxy-androstene-(5)-dione-(7.17)

3β-acetoxy-androstene-(5)-dione-(7.17)

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With hydrogenchloride; methanol
3-O-acetyl-7-oxo-dehydroepiandrosterone
1449-61-2

3-O-acetyl-7-oxo-dehydroepiandrosterone

aqueous methanol.HCl

aqueous methanol.HCl

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

7-oxo-dehydroepiandrosterone-3β-stearate
207670-02-8

7-oxo-dehydroepiandrosterone-3β-stearate

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With perchloric acid In methanol at 65℃; for 0.7h;100 % Chromat.
7-oxo-dehydroepiandrosterone-3β-sulfate

7-oxo-dehydroepiandrosterone-3β-sulfate

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
With perchloric acid In methanol at 65℃; for 1h;99.8 % Chromat.
(3S,8R,9S,10R,13S,14S)-3-Chloro-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-cyclopenta[a]phenanthren-17-one
897-01-8

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

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: (microbiological transformation)
2: AgNO3, DMSO
View Scheme
3-acetoxyandrost-5-en-7,17-dione
1139930-03-2

3-acetoxyandrost-5-en-7,17-dione

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol; water
2: perchloric acid / methanol
View Scheme
androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

C19H17(2)H7O2

C19H17(2)H7O2

Conditions
ConditionsYield
Stage #1: androsta-3,5-diene-7,17-dione With deuteriated sodium hydroxide In d(4)-methanol; water-d2 for 24h; Reflux;
Stage #2: With hydrogen chloride In water-d2
50%
p-toluene sulfinic acid
536-57-2

p-toluene sulfinic acid

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

(8R,9S,10R,13S,14S)-4-hydroxy-10,13-dimethyl-3-tosyl-1,8,9,10,11,12,13,14,15,16-decahydro-7H-cyclopenta[a]phenanthrene-7,17(2H)-dione

(8R,9S,10R,13S,14S)-4-hydroxy-10,13-dimethyl-3-tosyl-1,8,9,10,11,12,13,14,15,16-decahydro-7H-cyclopenta[a]phenanthrene-7,17(2H)-dione

Conditions
ConditionsYield
With hydrogenchloride; C52H52ClFeN24O2 In water; acetonitrile at 20℃; for 12h; Schlenk technique; Irradiation;45%
androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

A

3α,4α-epoxyandrost-5-ene-7,17-dione
204270-50-8

3α,4α-epoxyandrost-5-ene-7,17-dione

B

3α,4α-dihydroxy-5β,6β-epoxyandrostane-7,17-dione

3α,4α-dihydroxy-5β,6β-epoxyandrostane-7,17-dione

Conditions
ConditionsYield
With potassium permanganate; copper(I) sulfate In dichloromethane; water; tert-butyl alcohol at 20℃; Oxidation;A 30%
B 20%
p-toluene sulfinic acid
536-57-2

p-toluene sulfinic acid

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

(8R,9S,10R,13S,14S)-4-hydroxy-10,13-dimethyl-3-tosyl-1,8,9,10,11,12,13,14,15,16-decahydro-7H-cyclopenta[a]phenanthrene-7,17(2H)-dione

(8R,9S,10R,13S,14S)-4-hydroxy-10,13-dimethyl-3-tosyl-1,8,9,10,11,12,13,14,15,16-decahydro-7H-cyclopenta[a]phenanthrene-7,17(2H)-dione

Conditions
ConditionsYield
With 2-(2-(1,3-dioxo-6-(piperidin-1-yl)-1H-benzo[de]isoquinolin-2(3H)-yl)ethoxy)ethyl acetate In acetonitrile at 20℃; for 36h; Schlenk technique; Irradiation;30%
androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

androstadiene-(3.5)-dione-(7.17)-17-semicarbazone

androstadiene-(3.5)-dione-(7.17)-17-semicarbazone

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

3α,4α-epoxyandrost-5-ene-7,17-dione
204270-50-8

3α,4α-epoxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In chloroform850 mg
androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

4-chloroandrosta-3,5-diene-7,17-dione

4-chloroandrosta-3,5-diene-7,17-dione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 850 mg / m-chloroperbenzoic acid / CHCl3
2: 590 mg / aq. HCl / CHCl3 / Ambient temperature
3: pyridine
4: 150 mg / collidine / 4 h / Heating
View Scheme
androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

4β-chloro-3α-hydroxyandrost-5-ene-7,17-dione
204270-52-0

4β-chloro-3α-hydroxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 850 mg / m-chloroperbenzoic acid / CHCl3
2: 590 mg / aq. HCl / CHCl3 / Ambient temperature
View Scheme
androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

4β-chloro-3α-methylsulfonyloxyandrost-5-ene-7,17-dione

4β-chloro-3α-methylsulfonyloxyandrost-5-ene-7,17-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 850 mg / m-chloroperbenzoic acid / CHCl3
2: 590 mg / aq. HCl / CHCl3 / Ambient temperature
3: pyridine
View Scheme
androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

Methyl 2,3,4-tri-O-acetyl-O-(7,17-dioxoandrost-5-ene-3β-yl)-β-D-glucopyranosiduronate

Methyl 2,3,4-tri-O-acetyl-O-(7,17-dioxoandrost-5-ene-3β-yl)-β-D-glucopyranosiduronate

chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

androsta-3,5-diene-7,17-dione
1420-49-1

androsta-3,5-diene-7,17-dione

trimethylaluminum
75-24-1

trimethylaluminum

A

C23H36O2Si

C23H36O2Si

B

C23H36O2Si

C23H36O2Si

Conditions
ConditionsYield
With copper(I) bromide In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; optical yield given as %de; stereoselective reaction;
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