Established in 2007,Taicang Liyuan Chemical Co.,ltd. is located in Taicang city with a rich cultural heritage in most developed economy area of China's Yangtze River Delta.The location of our company is superior with convenient transportation a
Details Details 4-Androstenedione Formula: C19H26O2 CAS 63-05-8 Molecular Weight: 286.45 EINECS: 200-554-5 Assay: 99% Appearance: white crystalline odourless solid Package: 1kg/foil bag o
Unique advantages for Androstenedione Cas 63-05-8 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Controlled Substance, -20°C Freezer Package:1kg/foil
Cas:63-05-8
Min.Order:1 Kilogram
FOB Price: $100.0
Type:Trading Company
inquiryAndrostenedione CAS No.:63-05-8 Name: Androstenedione Synonyms: Androst-4-ene-3,17-dione; 4-Androstenedione; 4-Androstene-3,17-dione Molecular Structure: Molecular Formula: C19H26O2 Molecular
Cas:63-05-8
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Other
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
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:63-05-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai 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:63-05-8
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryhebei 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
Cas:63-05-8
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryOur 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:63-05-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryName:4-Androstenedione CAS NO: 63-05-8 Grade:Medical scientific research and export Molecular formula:C19H26O2 Molecular weight:286.4085 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability
Cas:63-05-8
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:63-05-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:63-05-8
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
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 email in time prod
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&
Cas:63-05-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct name: Androstenedione Molecular formula:C19H26O2 CAS NO. 63-05-8 Application: pharmaceutical intermediates Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:drum Application:pharmaceutical inter
Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:63-05-8
Min.Order:10 Gram
Negotiable
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
Cas:63-05-8
Min.Order:1 Kilogram
Negotiable
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:63-05-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryAndrostenedione Basic information Biological Metabolism Product Name: Androstenedione Synonyms: 3,17-Dioxoandrost-4-Ene;Androstenedione (CRM);Testosterone EP Impurity A;4-Androstene-3;4-androsten-3,17-dione (4-AD);4-Androstene-3,17-dione Soluti
Cas:63-05-8
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryQingdao 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 organic intermediates, steroids, pharmaceutical i
Cas:63-05-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual
Cas:63-05-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryAndrostenedione CAS: 63-05-8 Specification Item Standard Source Pure natural plant extract Sterilization method No irradiation Production Environ
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
Appearance:white crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Se
Cas:63-05-8
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryAndrostenedione CAS 63-05-8 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control sys
Cas:63-05-8
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
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:63-05-8
Min.Order:0 Metric Ton
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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
Cas:63-05-8
Min.Order:1 Gram
Negotiable
Type:Other
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 als
Conditions | Yield |
---|---|
With Jones reagent In acetone at 0℃; Jones Oxidation; | 100% |
With oxygen; nitrosonium tetrafluoroborate In dichloromethane at 20℃; for 4h; | 99% |
With N-chloro-succinimide; dodecyl methyl sulfide; triethylamine In toluene at -40℃; for 16h; Corey-Kim oxidation; | 97% |
3-hydroxy-5-androsten-17-one
Androstenedione
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; ferric nitrate In ethyl acetate at 0℃; for 65h; Reagent/catalyst; | 100% |
Conditions | Yield |
---|---|
In water; acetonitrile at 20℃; Electrochemical reaction; | 99% |
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane; acetonitrile for 0.75h; | 95% |
With chromium(VI) oxide; acetic acid |
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; water at 40℃; for 2h; pH=3; Temperature; Green chemistry; | 98.6% |
With sulfuric acid; water; silica gel In toluene for 2h; | 92% |
Multi-step reaction with 4 steps 1: hydrogenchloride / water; acetone / pH 1-6 2: potassium tert-butylate / tetrahydrofuran / Inert atmosphere; Reflux 3: tetrahydrofuran / Acidic conditions 4: sodium hydrogencarbonate; ruthenium trichloride; Oxone / ethyl acetate; acetonitrile; water / -20 - 30 °C View Scheme |
Conditions | Yield |
---|---|
With calcium hypochlorite; acetic acid In ethyl acetate at 30℃; for 1h; Temperature; Green chemistry; | 98.5% |
(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[α]phenanthrene-3,17-diol
Androstenedione
Conditions | Yield |
---|---|
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane for 0.5h; | 98% |
With 9-fluorenone; oxygen In dimethyl sulfoxide at 20℃; Irradiation; | 72% |
Conditions | Yield |
---|---|
With potassium hydroxide In methanol; water Ambient temperature; | 97% |
With sodium hydroxide In methanol; water at 25℃; | |
With sodium hydroxide; 3-oxo-Δ5-steroid isomerase In methanol; water Rate constant; pH 5.0 to 5.1; |
3-cycloethylenedithio-17-cycloethylenedioxy-androst-4-ene
Androstenedione
Conditions | Yield |
---|---|
With silica gel; copper(II) sulfate In benzene at 80℃; for 5h; | 90% |
Conditions | Yield |
---|---|
aluminum oxide; copper In toluene at 60℃; | A 12% B 88% |
Conditions | Yield |
---|---|
In water; acetonitrile at 20℃; Electrochemical reaction; | 86% |
With ammonium hydroxide; iodine In water; acetonitrile at 50℃; for 24h; | 78% |
With manganese(IV) oxide In chloroform for 4h; Heating; | 67.6% |
17,21-dihydroxy-pregn-3,20-dione
Androstenedione
Conditions | Yield |
---|---|
With sodium methylate In 1,4-dioxane for 3h; Heating; | 86% |
Conditions | Yield |
---|---|
With sodium hydroxide; iron pentacarbonyl In methanol; water at 50 - 60℃; for 16h; | 85% |
With thallium(III) nitrate trihydrate In diethylene glycol dimethyl ether for 24h; Ambient temperature; | 29% |
With hydrogen; silica gel; copper In toluene at 60℃; under 760 Torr; for 5h; |
Androstenedione
Conditions | Yield |
---|---|
IrH5(P-(i-Pr)3)2 In various solvent(s) at 100℃; for 28h; | 83% |
Conditions | Yield |
---|---|
With <(C4Ph4COHOCC4Ph4)(μ-H)><(CO)4Ru2>; acetone at 56℃; for 24h; | 81% |
Behandeln mit verschiedenen Dehydrierungsmitteln; | |
Einwirkung von Flavobacterium-Arten; |
Conditions | Yield |
---|---|
at 25℃; for 25h; electrolysis: nickel net anode, cylindrical stainless steel cathode; electrolyte: 0.01M KOH/t-butanol - water (1:1); | 80% |
3-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>androsta-3,4-diene-17-one
Androstenedione
Conditions | Yield |
---|---|
With sulfuric acid In tetrahydrofuran at 60℃; for 12h; | 80% |
With sulfuric acid In tetrahydrofuran at 60℃; for 12h; | 80% |
3-(m-chlorobenzoyloxy)androsta-3,5-dien-17-one
Androstenedione
Conditions | Yield |
---|---|
With potassium hydroxide In methanol for 1h; Heating; | 74% |
cholesterol
A
Androstenedione
B
Androsta-1,4-diene-3,17-dione
C
(20S)-20-hydroxymethylpregn-4-en-3-one
D
24-norchol-4-ene-3,22-dione
E
24-norchola-1,4-diene-3,22-dione
F
(20S)-20-(hydroxymethyl)pregna-1,4-dien-3-one
Conditions | Yield |
---|---|
Product distribution; degradation by the Mycobacterium mutant CCM 3528; | A n/a B 0.20 g C n/a D 0.36 g E 1.21 g F 71% |
(8S,9S,10R,13S,14S,Z)-17-ethylidene-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
A
Androstenedione
B
17-hydroxyprogesterone
C
17alpha,20beta-Dihydroxypregn-4-en-3-one
Conditions | Yield |
---|---|
With ruthenium trichloride; Oxone; sodium hydrogencarbonate In water; ethyl acetate; acetonitrile at -20 - 30℃; | A 10% B 70% C 20% |
Conditions | Yield |
---|---|
With ruthenium trichloride; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water at 20℃; | A 10% B 70% C 20% |
(8R,9S,10R,13S,14S)-10,13-Dimethyl-17-[1-tripropylsilanyloxy-eth-(Z)-ylidene]-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one
Androstenedione
Conditions | Yield |
---|---|
With potassium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid | 68% |
Androstenedione
Conditions | Yield |
---|---|
With silica gel; copper(II) sulfate In toluene for 30h; Heating; | 62% |
Conditions | Yield |
---|---|
With penicillium citreo-viride A.C.C.C. 0402 In acetone at 27.5℃; for 120h; Microbiological reaction; | A 8.4% B 60.9% |
Conditions | Yield |
---|---|
With tetrapropylammonium perruthennate; 4 A molecular sieve; 4-methylmorpholine N-oxide In dichloromethane; acetonitrile for 0.75h; | A 60% B 20% |
testosterone heptanoate
A
testosterone
B
Androstenedione
C
6β-hydroxytestosterone
Conditions | Yield |
---|---|
With Fusarium fujikuroi PTCC 5144 In ethanol; water at 26℃; for 312h; Reagent/catalyst; Microbiological reaction; | A 20% B 17% C 59% |
Conditions | Yield |
---|---|
With trifluoroacetic acid; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In fluorobenzene; dimethyl sulfoxide at 60℃; for 40h; Temperature; regioselective reaction; | 54% |
With sodium In methanol at 20℃; for 1h; | |
Multi-step reaction with 2 steps 1: 72percent HClO4 / ethyl acetate / 0.5 h / Ambient temperature 2: CrO3*2Py (Collins oxidant) / CH2Cl2 / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: HBr; acetic acid; bromine 2: pyridine View Scheme |
5α/β-androst-3-en-17-one
A
Androstenedione
B
androstane-3,17-dione
C
4-hydroxyandrost-4-ene-3,17-dione
Conditions | Yield |
---|---|
Multistep reaction; | A n/a B n/a C 54% |
Androstenedione
orthoformic acid triethyl ester
3-ethoxyandrosta-3,5-dien-17-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In tetrahydrofuran; ethanol at 45℃; for 2h; Inert atmosphere; | 100% |
With toluene-4-sulfonic acid In ethanol at 20 - 25℃; | 99.2% |
Stage #1: Androstenedione; orthoformic acid triethyl ester With toluene-4-sulfonic acid In ethanol at 40℃; for 6.5h; Stage #2: With triethylamine In ethanol at 5℃; for 0.5h; Temperature; | 97% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 20℃; Temperature; Solvent; Reagent/catalyst; | 100% |
With potassium borohydride In methanol |
Androstenedione
(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[α]phenanthrene-3,17-diol
Conditions | Yield |
---|---|
With lithium borohydride In diethyl ether for 2h; Product distribution; Heating; other solvents and reducing agents also investigated; | 100% |
With lithium borohydride In diethyl ether for 2h; Heating; | 100% |
Androstenedione
trimethyl orthoformate
3-methoxyandrosta-3,5-dien-17-one
Conditions | Yield |
---|---|
With p-toluenesulfonic acid hydrochloride In methanol at 35 - 45℃; for 5.25h; Inert atmosphere; | 100% |
With toluene-4-sulfonic acid In tetrahydrofuran at 30℃; for 4h; Temperature; Inert atmosphere; | 100% |
With toluene-4-sulfonic acid In tetrahydrofuran at 5℃; for 5h; Reagent/catalyst; Solvent; Inert atmosphere; | 97.3% |
Androstenedione
2-hydroxy-2-methylpropanenitrile
17β-cyano-17α-hydroxy-4-androsten-3-one
Conditions | Yield |
---|---|
With sodium carbonate In methanol; water at 17 - 40℃; for 29h; pH=8 - 9; | 100% |
With water; sodium carbonate In methanol at 38 - 42℃; for 4h; pH=8 - 9; | 100% |
With methanol; potassium hydroxide at 50℃; for 6h; Autoclave; Large scale; | 95.9% |
Conditions | Yield |
---|---|
With acetic acid In methanol at 20℃; for 2h; Inert atmosphere; regioselective reaction; | 100% |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran at 20℃; for 24h; | 99.26% |
With palladium 10% on activated carbon; hydrogen at 20℃; under 760.051 Torr; for 23h; | 74% |
With hydrogen; palladium on activated charcoal In ethyl acetate Ambient temperature; | |
Multi-step reaction with 2 steps 1: 467 mg / Zn; glacial acetic acid / 0.17 h View Scheme |
Androstenedione
acetic anhydride
androstane-3,5-dien-17-one-3β-ol acetate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 35 - 45℃; for 12h; | 99% |
With toluene-4-sulfonic acid for 0.05h; microwave irradiation; | 97% |
With toluene-4-sulfonic acid at 65℃; for 1.5h; | 76% |
Conditions | Yield |
---|---|
With Gelasinospora retispora GRK002 In methanol; water at 34℃; for 144h; pH=5; Microbiological reaction; | 98% |
With Beauveria bassiana CCTCC AF206001 In water for 24h; pH=6.0; Microbiological reaction; | 90.9% |
mit Hilfe von Rhizopus arrhizus; |
Conditions | Yield |
---|---|
With foie de boeuf; levure de boulanger; tampon phosphate In water at 37℃; for 144h; Clostridium paraputrificum ATCC No. 25780; Yields of byproduct given; | A 98% B n/a |
With foie de boeuf; levure de boulanger; tampon phosphate In water at 37℃; for 144h; Clostridium paraputrificum ATCC No. 25780; Yields of byproduct given; | A n/a B 85% |
With foie de boeuf; levure de boulanger; tampon phosphate In water at 37℃; for 144h; Product distribution; Clostridium paraputrificum ATCC No. 25780; composition of the culture medium, different species and influence of the steroid concentration examined; |
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran; ethanol | 95% |
Stage #1: acetylene With potassium hydroxide In tetrahydrofuran; ethanol at 3℃; for 2h; Inert atmosphere; Stage #2: Androstenedione In tetrahydrofuran; ethanol for 2h; Temperature; Solvent; Reagent/catalyst; | 109.3 g |
Androstenedione
orthoformic acid triethyl ester
3-methoxyandrosta-3,5-dien-17-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In tetrahydrofuran; chloroform at 38℃; for 2h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; | 94.27% |
Trimethyl orthoacetate
Androstenedione
3-methoxyandrosta-3,5-dien-17-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In tetrahydrofuran; methanol at 30℃; for 4h; Inert atmosphere; Industrial scale; | 94% |
Conditions | Yield |
---|---|
With zygowilliopsis sp. WY7905 In aq. phosphate buffer at 30℃; for 24h; pH=8; Enzymatic reaction; stereoselective reaction; | 93% |
With potassium borohydride In tetrahydrofuran; dichloromethane; water at -10 - -5℃; Temperature; | 93% |
With Trichoderma virens In ethanol at 24℃; for 96h; Microbiological reaction; | 60% |
Conditions | Yield |
---|---|
In dichloromethane for 48h; Heating; | 93% |
Androstenedione
C19H25IO2
Conditions | Yield |
---|---|
Stage #1: Androstenedione With trimethylsilylazide In dichloromethane at 0℃; for 2h; Stage #2: With pyridine; iodine In dichloromethane at 0 - 20℃; | 93% |
Conditions | Yield |
---|---|
With Beauveria bassiana CCTCC AF206001 In water for 48h; pH=7.0; Microbiological reaction; | 91.3% |
(microbiological transformation); |
Androstenedione
Conditions | Yield |
---|---|
With hydrogenchloride; deuteromethanol In water at 56℃; Temperature; Inert atmosphere; | 91% |
Androstenedione
dehydroisoandrosterone
Conditions | Yield |
---|---|
With titanium(IV) isopropylate; 2,2'-azobis(isobutyronitrile); diphenylstibane In toluene at 90℃; for 16h; | 90% |
Conditions | Yield |
---|---|
With sodium dithionite; phase transfer catalyst; sodium hydrogencarbonate In toluene for 4h; Heating; | 88% |
With hydrogen; (η4-1,5-cyclooctadiene)(pyridine)(tricyclohexylphosphine)iridium(I) hexafluorophosphate In dichloromethane for 4h; | 70% |
biochem. proc. with 5α-reductase of Penicillin decumbens; | 70% |
Androstenedione
2,2-dibutyl-1,3,2-dithiastannolane
A
4-Androstene-3,17-dione 3-ethylene dithioacetal
B
4-Androstene-3,17-dione 3,17-bis(ethylene dithioacetal)
Conditions | Yield |
---|---|
di-n-butylbis(trifluoromethanesulfonyloxy)stannane In 1,2-dichloro-ethane at 20℃; for 4h; | A 87% B 7% |
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