Dayangchem's 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. DayangChem can provide different quantities
Cas:601-53-6
Min.Order:1 Kilogram
FOB Price: $3.0
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:601-53-6
Min.Order:10 Kilogram
FOB Price: $100.0 / 120.0
Type:Trading Company
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:601-53-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry5BETA-CHOLESTAN-3-ONE CAS:601-53-6 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 organic inter
Cas:601-53-6
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:601-53-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:601-53-6
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
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
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
Cas:601-53-6
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryProName: (5r,8r,9s,10s,13r,14s,17r)-10,13-dimet... CasNo: 601-53-6 Molecular Formula: C27H46O Appearance: white powder Application: Pharmaceuticals, pesticides, synthetic... DeliveryTime: 3-10 days PackAge: 1kg/Alu bag, 25kgs/Drum Port: Shan
Cas:601-53-6
Min.Order:1 Gram
FOB Price: $6.0 / 9.0
Type:Trading Company
inquiryZibo 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:601-53-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe 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
Cas:601-53-6
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryfactory?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
Cas:601-53-6
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong 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
Cas:601-53-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:601-53-6
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe 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
Cas:601-53-6
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower price, higher purity,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, s
Cas:601-53-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.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.
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
(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopen Application:(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tet
Cas:601-53-6
Min.Order:0
Negotiable
Type:Other
inquiry(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates
Cas:601-53-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCholestan-3-one, (5β)- cas 601-53-6Appearance: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
Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Cas:601-53-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process
Cas:601-53-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
Cas:601-53-6
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
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so
Cas:601-53-6
Min.Order:10 Gram
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiry(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates
Cas:601-53-6
Min.Order:0
Negotiable
Type:Trading Company
inquiry(5r,8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates
Cas:601-53-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirycoprostanone
Conditions | Yield |
---|---|
With sodium bromate; ruthenium trichloride; tetrabutylammomium bromide In dichloromethane; water at 25℃; for 1.5h; | 98% |
With oxygen; acetaldehyde; ruthenium trichloride; cobalt(II) acetate Ambient temperature; other reagent: peracetic acid, other catalyst: RuCl3*nH2O; | 98% |
With tert.-butylhydroperoxide; pentafluorobenzeneseleninic acid In benzene for 4h; Heating; | 90% |
3,3-ethylenedioxy-5β-cholestane
coprostanone
Conditions | Yield |
---|---|
With Montmorillonite K 10; water In acetone for 3h; Heating; | 97% |
Conditions | Yield |
---|---|
With tetrafluoroboric acid; tris(2,2'-bipyridine)iron(III) perchlorate In tetrahydrofuran; water; acetonitrile for 0.0833333h; Ambient temperature; | A n/a B 96% |
Conditions | Yield |
---|---|
With ammonium formate; palladium on activated charcoal In methanol for 1h; Heating; | 95% |
With sodium dithionite; 2-methyl-5-(prop-1-en-2-yl)cyclohexanone; sodium hydrogencarbonate In 1,4-dioxane at 50℃; | 89% |
With hydrogen; <((t-Bu)2PH)PdP(t-Bu)2>2 saturated with oxygen In tetrahydrofuran under 760 Torr; for 12h; Ambient temperature; | 86% |
coprostanone
Conditions | Yield |
---|---|
With water; magnesium; cadmium(II) chloride In tetrahydrofuran for 0.25h; Ambient temperature; | 95% |
Conditions | Yield |
---|---|
With oxone; 2-iodo-3,4,5,6-tetramethylbenzoic acid In nitromethane at 20℃; for 18h; | 92% |
With nitroacetic acid ethyl ester; triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran room temperature for 2 h, refluxed for 2 h; | 77% |
With C55H49N4OP2Ru In toluene under 750.075 Torr; Inert atmosphere; Schlenk technique; Reflux; Green chemistry; | 76% |
With tetrabutylammonium chlorochromate In chloroform for 32h; Heating; | 75% |
With jones reagent In acetone for 0.333333h; Ambient temperature; | 3.6 mg |
Conditions | Yield |
---|---|
With osmium(VIII) oxide; acetic acid In diethyl ether for 30h; Ambient temperature; | 90% |
With cyclohexanone; nickel; toluene |
coprostanone
Conditions | Yield |
---|---|
With BTIB In water; acetonitrile at 0℃; for 0.5h; | 85% |
4β-Phenylsulfonyl-5β-cholestan-3-one
coprostanone
Conditions | Yield |
---|---|
With methanol; sodium amalgam In tetrahydrofuran Reduction; | 80% |
Cholest-4-en-3-one
A
dihydrocholesterone
B
coprostanone
C
5β-cholestan-3-ol
Conditions | Yield |
---|---|
With hydrogen; Cu/Al2O3 In toluene at 60℃; under 760 Torr; | A 14% B 75% C 5% |
3α-Cholestanylnitrit
A
epicoprostanol
B
coprostanone
Conditions | Yield |
---|---|
In solid for 142h; Irradiation; | A 8% B 65% |
Conditions | Yield |
---|---|
In solid for 76h; Irradiation; | A 5% B 64% |
(5β-cholestan-3α-yl)-methyl ether
coprostanone
Conditions | Yield |
---|---|
With 3,3-dimethyldioxirane In acetone for 18h; Ambient temperature; | 57% |
Conditions | Yield |
---|---|
IrH5(P-(i-Pr)3)2 In various solvent(s) at 100℃; for 30h; | A 55% B 13% |
Conditions | Yield |
---|---|
IrH5(P-(i-Pr)3)2 In various solvent(s) at 100℃; for 20h; | A 52% B 41% |
epicholesterol
A
Cholest-4-en-3-one
B
dihydrocholesterone
C
coprostanone
Conditions | Yield |
---|---|
nickel In xylene at 135 - 140℃; for 1h; Heating; | A 28% B 4.5% C 2.5% |
Conditions | Yield |
---|---|
With nickel at 220℃; | |
With nickel at 240℃; |
Conditions | Yield |
---|---|
With chromium(VI) oxide; acetic acid at 60℃; | |
With chromium(VI) oxide; acetic acid |
Conditions | Yield |
---|---|
With chromium(VI) oxide; acetic acid |
Conditions | Yield |
---|---|
With hydrogenchloride; jones reagent; hydrogen 1.) acetone, r.t.; 2.) methanol; Multistep reaction; |
Conditions | Yield |
---|---|
With hydrogen; Nic In tetrahydrofuran; ethanol at 25℃; under 760 Torr; for 0.533333h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With hydrogen; palladium In pyridine at 25℃; under 760 Torr; Rate constant; selectivity to 5β compound; | |
With hydrogen bromide; hydrogen; palladium In tetrahydrofuran at 25℃; under 760 Torr; Rate constant; selectivity to 5β compound; | |
With hydrogen; Nic In tetrahydrofuran; ethanol at 25℃; under 760 Torr; for 0.6h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
cholesta-4,6-dien-3-one
A
Cholest-4-en-3-one
B
dihydrocholesterone
C
coprostanone
Conditions | Yield |
---|---|
With diphenylsilane; zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In chloroform for 4h; Ambient temperature; Yield given. Yields of byproduct given; |
cholesta-1,4-dien-3-one
A
Cholest-4-en-3-one
B
dihydrocholesterone
C
coprostanone
Conditions | Yield |
---|---|
With diphenylsilane; zinc(II) chloride; tetrakis(triphenylphosphine) palladium(0) In chloroform for 1h; Ambient temperature; Yield given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With 1-Benzyl-1,4-dihydronicotinamide; water 1.) acetonitrile, 40 h, reflux 2.) acetonitrile, reflux, 1 h; Multistep reaction. Yields of byproduct given; |
Conditions | Yield |
---|---|
With dihydrogen peroxide; diborane 1.) THF, 0 deg C, 5 h, 2.) THF, 0 deg C, 5 min; Yield given. Multistep reaction; | |
With dihydrogen peroxide; diborane In tetrahydrofuran at 0℃; Mechanism; other Δ4-steroids; |
cholesterol
A
Cholest-5-en-3-one
B
Cholest-4-en-3-one
D
coprostanone
Conditions | Yield |
---|---|
With sodium phosphate buffer; Eubacterium coprostanoligenes ATCC 51222; sodium pyruvate; sodium 2-mercaptoacetate In water at 37℃; for 120h; Product distribution; Mechanism; |
Conditions | Yield |
---|---|
Hydrogenation; |
Conditions | Yield |
---|---|
Hydrogenation; |
Conditions | Yield |
---|---|
at 220℃; sowie auf 240grad; |
chloro-trimethyl-silane
coprostanone
[(5R,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-trimethyl-silane
Conditions | Yield |
---|---|
With chiral lithium amide ((R)-5b) In hexane; toluene at -78℃; for 0.333333h; | 99% |
coprostanone
formic acid ethyl ester
2-hydroxymethylene-5β-cholestan-3-one
Conditions | Yield |
---|---|
With ethanol; sodium In diethyl ether | 99% |
Conditions | Yield |
---|---|
With montmorillonite K-10 In benzene for 2h; Heating; | 98% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 0℃; for 0.0833333h; | 95% |
With lithium aluminium tetrahydride; diethyl ether | |
Multi-step reaction with 2 steps 1: sodium; ethanol 2: sodium pentylate; amyl alcohol View Scheme | |
Multi-step reaction with 2 steps 2: sodium ethylate; ethanol / 180 - 210 °C View Scheme |
coprostanone
4β-chloro-5β-cholestan-3-one
Conditions | Yield |
---|---|
With potassium chlorate; sulfuric acid In 1,4-dioxane at 45℃; for 0.833333h; | 90.4% |
Conditions | Yield |
---|---|
With iodine for 0.0833333h; Acetylation; microwave irradiation; | 90% |
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate; bromine In water; acetic acid at 20℃; for 16h; Bromination; | 85% |
With hydrogen bromide; bromine; acetic acid | |
With tetrachloromethane; N-Bromosuccinimide unter starker Belichtung; |
Conditions | Yield |
---|---|
at 20℃; for 12h; acetalization; UV-irradiation; | 85% |
With toluene-4-sulfonic acid | |
With hydrogen; Wilkinson's catalyst |
bis(methylsulfanyl)trimethylsilylmethane
coprostanone
3-[bis(methylthio)methylene]cholestane
Conditions | Yield |
---|---|
Stage #1: bis(methylsulfanyl)trimethylsilylmethane With n-butyllithium In tetrahydrofuran; hexane at -78 - 0℃; for 4h; Stage #2: coprostanone In tetrahydrofuran; hexane at 20℃; for 12h; | 85% |
Conditions | Yield |
---|---|
tin(ll) chloride for 0.0833333h; microwave irradiation; | 84% |
Conditions | Yield |
---|---|
With benzeneseleninic anhydride In chlorobenzene at 132℃; for 3h; | 83% |
Multi-step reaction with 2 steps 1: 114 mg / pyridine hydrobromide perbromide / acetic acid / 0.5 h / 60 °C 2: CaCO3 / N,N-dimethyl-acetamide / 30 h / Heating View Scheme |
coprostanone
2α-Bromcholestan-3-on
Conditions | Yield |
---|---|
With hexabromocyclopenta-1,3-diene In acetonitrile for 15h; Heating; | 77% |
coprostanone
Conditions | Yield |
---|---|
With hydrogen; carbon monoxide In methanol at 30 - 35℃; under 51485.6 - 73550.8 Torr; for 2.5h; | 75% |
With hydrogen bromide; acetic acid; platinum at 60 - 65℃; Hydrogenation.Behandlung des Reaktionsprodukts mit aethanol. Alkalilauge; | |
With intestine bacteria | |
Reduktion unter Einwirkung von Darm-Bakterien; |
coprostanone
ethane-1,2-dithiol
5α-cholestan-3-one ethanediyl S,S-acetal
Conditions | Yield |
---|---|
With boron trifluoride diacetate for 0.25h; | 70% |
coprostanone
Conditions | Yield |
---|---|
With n-Butyl nitrite; potassium tert-butylate In tert-butyl alcohol for 0.5h; Ambient temperature; | 66% |
Multi-step reaction with 2 steps 1: 22 percent / potassium t-butoxide, propyl nitrate / tetrahydrofuran / 2.5 h / Ambient temperature 2: 50.4 percent / ethanol / 3 h / Irradiation View Scheme | |
Multi-step reaction with 3 steps 1: 22 percent / potassium t-butoxide, propyl nitrate / tetrahydrofuran / 2.5 h / Ambient temperature 2: 25.2 percent / ethanol / 3 h / Irradiation 3: 140 °C View Scheme |
coprostanone
4β-iodo-5β-cholestan-3-one
Conditions | Yield |
---|---|
With copper diacetate; iodine In acetic acid at 60℃; for 6h; | 65% |
With ammonium cerium(IV) nitrate; iodine In water; acetic acid at 50℃; for 2.5h; | 60% |
coprostanone
thiophenol
(5R,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-phenylsulfanyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene
Conditions | Yield |
---|---|
Montmorillonite KSF In toluene for 6h; Heating; | 62% |
coprostanone
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate; iodine In water; acetic acid at 50℃; for 2.5h; Iodination; | 60% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View