As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:640-87-9
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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:640-87-9
Min.Order:1 Metric Ton
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Type:Manufacturers
inquiryUnique advantages of 17α-Hydroxy-11-deoxycorticosterone-21-acetate Cas 640-87-9 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:Coo
Cas:640-87-9
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:640-87-9
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
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:640-87-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:640-87-9
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:640-87-9
Min.Order:1 Gram
Negotiable
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:640-87-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:640-87-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:640-87-9
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryA 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
Cas:640-87-9
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWhy 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 Number: 640-87-9 Molecular Formula: C23H32O5 Molecular Weight: 388.5 EINECS number: 211-369-4 Related Categories: Steroids;Intermediates & Fine Chemicals;Pharmaceuticals;Steroidal Intermediates
Cas:640-87-9
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryGMP 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,
Cas:640-87-9
Min.Order:1 Milligram
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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
Cas:640-87-9
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiry1) Specialized in pharmaceutical industry since from 1987 2) ISO 9001:2015 & SGS audited supplier 3) Accept better payment terms : T.T 30-60 days.on the basic of pass SINOSURE credit investigation. 5) We have warehouse in USA with quickly shi
Cas:640-87-9
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Superior quality, moderate price & quick delivery. Appearance:needle-like crystals Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:For medicine , pesticide intermedia
Cas:640-87-9
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryJinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:640-87-9
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
KONING PHARMCHEM CO., LTD. has committed itself to a strategy of providing a unique service for companies involved in the manufacture of pharmaceuticals, healthcare products, food, cosmetics and other fine chemicals. Our products including but not li
Cas:640-87-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryTIANFU-CHEM REICHSTEIN'S SUBSTANCE S 21-ACETATEAppearance:white powder Storage:room temperature Package:200KG Application:Industrial Grade Transportation:By sea , by air or express
Cas:640-87-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Pharm intermediate
Cas:640-87-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryFactory 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
Cas:640-87-9
Min.Order:0
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Type:Trading Company
inquiryPregn-4-ene-3,20-dione,21-(acetyloxy)-17-hydroxy- cas 640-87-9Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:640-87-9
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:640-87-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
Cas:640-87-9
Min.Order:0
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Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:200mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po
Cas:640-87-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Conditions | Yield |
---|---|
With pyridine at 20℃; for 0.5h; | 100% |
With pyridine |
Conditions | Yield |
---|---|
Stage #1: 17-hydroxyprogesterone With calcium chloride; calcium oxide In methanol; chloroform for 2h; Stage #2: acetic anhydride With potassium carbonate; acetic acid In methanol; chloroform; N,N-dimethyl-formamide at 100℃; for 1h; | 98% |
Conditions | Yield |
---|---|
Stage #1: 17-hydroxyprogesterone With pyrrolidine In ethanol at 0 - 50℃; Stage #2: potassium acetate With acetic acid; potassium iodide In ethanol; acetone at 20 - 60℃; | 98% |
21-Iodo-17α-hydroxypregn-4-en-3,20-dione
acetic acid
cortexolone 21-acetate
Conditions | Yield |
---|---|
With triethylamine In acetone for 5h; Heating; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With Rhizopus oryzae lipase immobilized on Lewatit 1600 resin In di-isopropyl ether at 55℃; for 48h; regioselective reaction; | 91% |
17α-hydroxy-21-chloro-4-pregnene-3,20-dione
potassium acetate
cortexolone 21-acetate
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 0.5h; | 90% |
21-bromo-17α-hydroxy-4-pregnene-3,20-dione
potassium acetate
cortexolone 21-acetate
Conditions | Yield |
---|---|
In acetone at 50℃; for 1h; | 86% |
Yield given; |
Conditions | Yield |
---|---|
With <(C4Ph4COHOCC4Ph4)(μ-H)><(CO)4Ru2>; acetone at 56℃; for 24h; | A 67% B 28% |
17α,21-dihydroxy-4-pregnene-3,20-dione 17-acetate
cortexolone 21-acetate
Conditions | Yield |
---|---|
With potassium acetate In N,N-dimethyl-formamide at 105℃; for 6h; | 51% |
21-acetoxy-20-cyanopregna-4,17(20)-dien-3-one
cortexolone 21-acetate
Conditions | Yield |
---|---|
With potassium permanganate; N-benzyl-N,N,N-triethylammonium chloride In dichloromethane Ambient temperature; | 28% |
17.20βF-dihydroxy-21-acetoxy-pregnen-(4)-one-(3)
A
Androstenedione
B
cortexolone 21-acetate
Conditions | Yield |
---|---|
With chromium(VI) oxide; water; acetic acid at 11℃; |
4β-bromo-17-hydroxy-21-acetoxy-5β-pregnanedione-(3.20)
cortexolone 21-acetate
Conditions | Yield |
---|---|
With semicarbazide hydrochloride; sodium acetate; acetic acid Erwaermen des Reaktionsgemisches mit Brenztraubensaeure und Natriumacetat unter Zusatz von Wasser; | |
With sodium acetate; acetic acid; (2,4-dinitro-phenyl)-hydrazine Erwaermen des Reaktionsgemisches mit Brenztraubensaeure unter Zusatz von Chloroform und Wasser; |
21-acetoxy-5,6β-dichloro-17-hydroxy-5α-pregnane-3,20-dione
cortexolone 21-acetate
Conditions | Yield |
---|---|
With chromium dichloride |
4β-bromo-17-hydroxy-21-acetoxy-5β-pregnanedione-(3.20)
semicarbazide hydrochloride
sodium acetate
acetic acid
cortexolone 21-acetate
Conditions | Yield |
---|---|
anschliessend mit Brenztraubensaeure, Natriumacetat und Wasser; |
4β-bromo-17-hydroxy-21-acetoxy-5β-pregnanedione-(3.20)
sodium acetate
acetic acid
(2,4-dinitro-phenyl)-hydrazine
cortexolone 21-acetate
Conditions | Yield |
---|---|
anschliessend mit Chloroform, Brenztraubensaeure und Wasser; |
potassium acetate
17α-hydroxy-3-(N-morpholinyl)pregna-3,5-dien-20-one
cortexolone 21-acetate
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
17α-21-dihydroxy-5-α-pregnane-3,20-dione
acetic anhydride
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multistep reaction; |
17α-acetoxy-21-chloro-4-pregnene-3,20-dione
cortexolone 21-acetate
Conditions | Yield |
---|---|
With potassium acetate In N,N-dimethyl-formamide at 105℃; for 5h; |
cortexolone 21-acetate
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid Erwaermen des Reaktionsprodukts mit Aethanol und Raney-Nickel; |
17.20βF-dihydroxy-21-acetoxy-pregnen-(4)-one-(3)
water
acetic acid
A
Androstenedione
B
cortexolone 21-acetate
methyl 20-cyano-3β-hydroxypregna-5,17(20)-dien-21-oate
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 92 percent / p-TsOH / CH2Cl2 / 1.5 h / Ambient temperature 2: 67 percent / diisobutylaluminium hydride / CH2Cl2; hexane / 0.5 h / -78 °C 3: 83 percent / pyridine / Ambient temperature 4: 95 percent / p-TsOH, MeOH / 0.05 h / 50 °C 5: 77 percent / aluminium isopropoxide / toluene; cyclohexanone / 20 h / Heating 6: 28 percent / KMnO4, triethylbenzylammonium chloride (TEBACl) / CH2Cl2 / Ambient temperature View Scheme |
20-cyanopregna-5,17(20)-diene-3β,21-diol 21-acetate
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 77 percent / aluminium isopropoxide / toluene; cyclohexanone / 20 h / Heating 2: 28 percent / KMnO4, triethylbenzylammonium chloride (TEBACl) / CH2Cl2 / Ambient temperature View Scheme |
20-cyano-3β-tetrahydropyranyloxypregna-5,17(20)-dien-21-ol
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 83 percent / pyridine / Ambient temperature 2: 95 percent / p-TsOH, MeOH / 0.05 h / 50 °C 3: 77 percent / aluminium isopropoxide / toluene; cyclohexanone / 20 h / Heating 4: 28 percent / KMnO4, triethylbenzylammonium chloride (TEBACl) / CH2Cl2 / Ambient temperature View Scheme |
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: KOH / H2O; tetrahydrofuran / 4 h 2: 92 percent / p-TsOH / CH2Cl2 / 1.5 h / Ambient temperature 3: 67 percent / diisobutylaluminium hydride / CH2Cl2; hexane / 0.5 h / -78 °C 4: 83 percent / pyridine / Ambient temperature 5: 95 percent / p-TsOH, MeOH / 0.05 h / 50 °C 6: 77 percent / aluminium isopropoxide / toluene; cyclohexanone / 20 h / Heating 7: 28 percent / KMnO4, triethylbenzylammonium chloride (TEBACl) / CH2Cl2 / Ambient temperature View Scheme |
methyl 20-cyano-3β-tetrahydropyranyloxypregna-5,17(20)-dien-21-oate
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 67 percent / diisobutylaluminium hydride / CH2Cl2; hexane / 0.5 h / -78 °C 2: 83 percent / pyridine / Ambient temperature 3: 95 percent / p-TsOH, MeOH / 0.05 h / 50 °C 4: 77 percent / aluminium isopropoxide / toluene; cyclohexanone / 20 h / Heating 5: 28 percent / KMnO4, triethylbenzylammonium chloride (TEBACl) / CH2Cl2 / Ambient temperature View Scheme |
20-cyano-3β-tetrahydropyranyloxypregna-5,17(20)-dien-21-ol acetate
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 95 percent / p-TsOH, MeOH / 0.05 h / 50 °C 2: 77 percent / aluminium isopropoxide / toluene; cyclohexanone / 20 h / Heating 3: 28 percent / KMnO4, triethylbenzylammonium chloride (TEBACl) / CH2Cl2 / Ambient temperature View Scheme |
21-Brom-17-(formyloxy)-4-pregnen-3,20-dion
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. KHCO3 / methanol View Scheme | |
Multi-step reaction with 2 steps 1: 86 percent / KHCO3 / methanol; H2O / 0.5 h / Ambient temperature 2: 86 percent / acetone / 1 h / 50 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 2: (N,N-dimethylamino)pyridine, pyridine 3: 92 percent / PdCl2(CH3CN)2 / tetrahydrofuran / Ambient temperature 4: 1. KOH, 2.) N-bromoacetamide View Scheme |
3β,21-Diacetoxy-5α-pregn-17-ene
cortexolone 21-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1. KOH, 2.) N-bromoacetamide View Scheme |
cortexolone 21-acetate
ethylene glycol
21-acetoxy-17α-hydroxy-3,3-ethylenedioxypregn-5-ene-20-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; formic acid ethyl ester at 60℃; for 3h; | 86% |
With toluene-4-sulfonic acid; benzene |
Conditions | Yield |
---|---|
With water; potassium carbonate In methanol at 20℃; for 3h; Inert atmosphere; | 85% |
With methanol; potassium hydrogencarbonate |
Conditions | Yield |
---|---|
With disodium hydrogenphosphate; potassium dihydrogenphosphate; D-glucose; menadione; corn-steep liquor In water; N,N-dimethyl-formamide at 28℃; for 40h; Rhodococcus sp.; | A 30% B 50% |
Conditions | Yield |
---|---|
With ammonium hydroxide; copper diacetate In ethanol for 6h; Heating; | 34% |
cortexolone 21-acetate
2,2-dimethylpropanoic anhydride
21-Acetoxy-17-trimethylacetoxy-4-pregnen-3,20-dion
Conditions | Yield |
---|---|
With dmap In diethylene glycol dimethyl ether at 80℃; for 96h; | 15% |
Conditions | Yield |
---|---|
In ethanol at 24 - 26℃; for 96h; Penicillium decumbens ATCC 10436, potato dextrose broth; | 8% |
Multi-step reaction with 4 steps 1: H2SO4 / ethanol; dioxane / 1 h / Ambient temperature 2: H2 / 5percent Pd-C / ethanol; ethyl acetate / 14 h 3: 2N HCl / H2O 4: NaOH / methanol; dioxane View Scheme |
2-ethyl-2-methyl-1,3-dioxolane
cortexolone 21-acetate
21-acetoxy-17α-hydroxy-3,3-ethylenedioxypregn-5-ene-20-one
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid Entfernen des entstehenden Butanons; |
cortexolone 21-acetate
semicarbazide hydrochloride
21-acetoxy-17-hydroxy-pregn-4-ene-3,20-dione-3-semicarbazone
cortexolone 21-acetate
semicarbazide hydrochloride
21-acetoxy-17-hydroxy-pregn-4-ene-3,20-dione disemicarbazone
Conditions | Yield |
---|---|
With selenium(IV) oxide |
Conditions | Yield |
---|---|
mit Hilfe von Mycobacterium smegmatis; |
cortexolone 21-acetate
17β-acetoxymethyl-17α-hydroxy-D-homo-androst-4-ene-3,17a-dione
Conditions | Yield |
---|---|
With cyclohexanone; aluminum isopropoxide; toluene | |
With boron trifluoride diethyl etherate; acetic anhydride; acetic acid |
Conditions | Yield |
---|---|
With chloranil | |
Multi-step reaction with 2 steps 1: N-bromo-succinimide 2: 2,4,6-trimethyl-pyridine View Scheme |
cortexolone 21-acetate
21-acetoxy-6ξ-bromo-17-hydroxy-pregn-4-ene-3,20-dione
Conditions | Yield |
---|---|
With N-Bromosuccinimide |
cortexolone 21-acetate
21-acetoxy-17-hydroxy-pregn-4-ene-3,20-dione dioxime
Conditions | Yield |
---|---|
With hydrogenchloride; hydroxylamine |
cortexolone 21-acetate
Conditions | Yield |
---|---|
With osmium(VIII) oxide; dihydrogen peroxide; tert-butyl alcohol Behandeln des Reaktionsprodukts mit Acetanhydrid und Pyridin; |
cortexolone 21-acetate
Conditions | Yield |
---|---|
With formaldehyd; ammonia; copper diacetate |
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