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
Cas:910-31-6
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryWe are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,
Cas:910-31-6
Min.Order:25 Gram
FOB Price: $101.0 / 105.0
Type:Manufacturers
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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:910-31-6
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryDayangchem'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:910-31-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:910-31-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryHigh Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm
Cas:910-31-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:910-31-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:910-31-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:910-31-6
Min.Order:1 Gram
FOB Price: $100.0 / 300.0
Type:Trading Company
inquiryCholesteryl chloride CAS:910-31-6 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 interm
Cas:910-31-6
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:910-31-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryPRODUCT DETAILS Chole
Cas:910-31-6
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
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
The 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
Cas:910-31-6
Min.Order:0 Metric Ton
Negotiable
Type:Other
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
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
Cas:910-31-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryOur 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
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,
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 products. Cle
Cas:910-31-6
Min.Order:1 Metric Ton
Negotiable
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:910-31-6
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:910-31-6
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:910-31-6
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in
Cas:910-31-6
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
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
Cas:910-31-6
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryChlorinated cholesterol Package:drum Application:Chlorinated cholesterol Transportation:BY AIR OR BY SEA Port:shanghai port
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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Conditions | Yield |
---|---|
With thionyl chloride | 95% |
With Me2SeCl2; triphenylphosphine In benzene for 20h; Ambient temperature; | 84% |
With 1-pyrrolidinecarboxaldehyde; 1,3,5-trichloro-2,4,6-triazine In 1,4-dioxane; chloroform at 80℃; for 4h; Solvent; Sealed tube; Green chemistry; | 82% |
3β-chloro-5,6-epoxycholestane
cholesteryl chloride
Conditions | Yield |
---|---|
With iodine; triphenylphosphine In dichloromethane | 95% |
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; titanium tetrachloride In dichloromethane at -20℃; for 0.0833333h; Inert atmosphere; | 95% |
With iron(III) chloride In dichloromethane at 20℃; for 0.0833333h; Inert atmosphere; | 87% |
With chloro-trimethyl-silane; titanium tetrachloride In dichloromethane at -78 - 20℃; for 0.5h; | 400 mg |
cholest-5-en-3-ol (3β)-(O-phenyl carbonothioate)
cholesteryl chloride
Conditions | Yield |
---|---|
With tris(p-bromophenylammoniumyl) hexachloroantimonate In toluene for 0.166667h; Irradiation; | 92% |
With tris(p-bromophenylammoniumyl) hexachloroantimonate In toluene for 0.166667h; Ambient temperature; Irradiation; other thiocarbonyl compounds; other temperature; other reaction time; radical cation fragmentation; | 92% |
cholesteryl chloride
Conditions | Yield |
---|---|
With 1,1'-bis(trimethylsilyl)-1,1',4,4'-tetrahydro-4,4'-bipyridylidene In acetonitrile at 20℃; for 2h; Inert atmosphere; | 91% |
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; sodium carbonate In dimethyl sulfoxide at 20℃; for 1.5h; Inert atmosphere; Irradiation; | 90% |
(3α,5α-cyclo-cholestan-6β-yl)-methyl ether
A
Cholesteryl acetate
B
cholesteryl chloride
C
3,5-cholestadiene
Conditions | Yield |
---|---|
With hydrogenchloride In acetic acid for 3h; Ambient temperature; | A 2% B 88% C 10% |
With hydrogenchloride In acetic acid for 3h; Heating; | A 30% B 55% C 15% |
2-[(3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxysulfonyl]-benzoic acid 2-(2-methoxy-ethoxy)-ethyl ester
cholesteryl chloride
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane at -78℃; | 85% |
3β-((bromomercurio)methyl)-A,B-dinor-5β-cholestane-5-carbaldehyde
cholesteryl chloride
Conditions | Yield |
---|---|
With aluminium trichloride In 1,2-dimethoxyethane at 45℃; for 18h; | 79% |
With molybdenum(V) chloride In diethyl ether at -78℃; for 4h; | 79% |
With molybdenum(V) chloride In diethyl ether for 2h; Ambient temperature; | 78% |
Conditions | Yield |
---|---|
With iron(III) chloride In dichloromethane at 20℃; for 5h; | A 69% B n/a |
With silica gel; iron(III) chloride In diethyl ether; dichloromethane in column; | A 52% B 28% |
silica gel; iron(III) chloride In diethyl ether; dichloromethane Product distribution; |
cholesterol
A
Cholesteryl acetate
B
cholesteryl chloride
C
3,5-cholestadiene
Conditions | Yield |
---|---|
With hydrogenchloride In acetic acid for 3h; Heating; | A 65% B 12% C 23% |
With hydrogenchloride In acetic acid for 2h; Heating; | A 65% B 12% C 23% |
O-((3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl) S-methyl carbonodithioate
cholesteryl chloride
Conditions | Yield |
---|---|
With sulfuryl dichloride In tetrachloromethane 1.) 0 deg C, 3 h, 2.) 7 h, room temperature; | 62% |
With tetrachloromethane Irradiation; 254 nm light; | |
With tris(p-bromophenylammoniumyl) hexachloroantimonate In toluene at 110℃; for 0.5h; Irradiation; |
cholesteryl p-toluenesulfonate
cholesteryl chloride
Conditions | Yield |
---|---|
With 1-butyl-3-methylimidazolium chloride In acetonitrile at 60℃; for 24h; Inert atmosphere; Green chemistry; | 60% |
Conditions | Yield |
---|---|
With aluminum (III) chloride; trimethylsilylazide In dichloromethane at 22℃; for 1h; Inert atmosphere; | A 34% B 57% |
6β-phenylsulfanyl-3α,5α-cyclocholestane
1,2:3,4-di-O-isopropylidene-α-D-galactopyranose
A
3β-O-(1’,2’:3’,4’-di-O-isopropylidene-α-D-galactopyranos-6’-yl)cholest-5-ene
B
cholesterol
C
Cholest-5-en-3-one
D
6β-O-(1',2':3',4'-di-O-isopropylidene-α-D-galactopyranos-6'-yl)-3α,5α-cyclocholestane
E
cholesteryl chloride
F
3,5-cholestadiene
G
diphenyldisulfane
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate In dichloromethane for 2h; Electrochemical reaction; | A 40% B n/a C n/a D n/a E n/a F n/a G n/a |
cholesterol
A
Cholesteryl acetate
B
N-acetyl-cholest-5-en-3β-amine
C
cholesteryl chloride
D
dicholesteryl ether
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate; acetic acid In dichloromethane Electrochemical reaction; separated electrodes; | A 4% B 4% C 3% D 28% |
Conditions | Yield |
---|---|
With hydrogenchloride In acetic acid for 3h; Heating; | A 11% B 23% |
With hydrogenchloride In acetic acid for 2h; Heating; | A 11% B 23% |
chloroform
6β-chloro-3α,5α-cyclo-cholestane
cholesteryl chloride
Conditions | Yield |
---|---|
With phosphorus pentachloride | |
With thionyl chloride | |
With trichlorophosphate |
3β-chloro-6β-hydroxy-5α-cholestane
cholesteryl chloride
Conditions | Yield |
---|---|
With pyridine; trichlorophosphate |
3α,5α-cyclo-cholest-6-ene
cholesteryl chloride
Conditions | Yield |
---|---|
With hydrogenchloride; acetone | |
With hydrogenchloride; acetone |
3β-chloro-5,6α-epoxy-5α-cholestane
cholesteryl chloride
Conditions | Yield |
---|---|
With aluminum oxide; silver nitrate In diethyl ether Ambient temperature; Yield given; |
Conditions | Yield |
---|---|
With sodium tetrahydroborate; nickel dichloride In N,N-dimethyl-formamide for 0.25h; Yield given; |
cholesteryl chloride
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride; acetic acid |
cholesteryl chloride
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride; acetic acid |
cholesteryl chloride
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride; acetic acid |
cholesteryl chloride
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; samarium diiodide; isopropyl alcohol In tetrahydrofuran for 3h; Ambient temperature; | 99% |
With sodium In tetrahydrofuran; tert-butyl alcohol for 24h; Inert atmosphere; Reflux; | 84% |
With potassium Sodium; tert-butyl alcohol; Tris(3,6-dioxaheptyl)amine In tetrahydrofuran Ambient temperature; var. cat.: 18-crown-6; | 81% |
cholesteryl chloride
3β-chlorocholest-5-en-7-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; [copper(II)(salqu)] In acetonitrile at 70℃; | 99% |
With tert.-butylhydroperoxide; [bis(acetoxy)iodo]benzene; magnesium acetate tetrahydrate In decane; butyl butyrate at 0℃; for 6h; regioselective reaction; | 85% |
With potassium dichromate; 1-hydroxy-pyrrolidine-2,5-dione; acetic acid In acetone at 40℃; for 18h; Inert atmosphere; | 78% |
cholesteryl chloride
Conditions | Yield |
---|---|
With bromine In tetrachloromethane at -20 - 20℃; | 99% |
With bromine In tetrachloromethane at 0 - 20℃; for 12.1667h; |
Conditions | Yield |
---|---|
With hydrogen; palladium diacetate In ethanol at 20℃; | 95% |
With 10% palladium on carbon; hydrogen In diethyl ether for 4h; | 94% |
With diethyl ether; ethanol; platinum Hydrogenation; |
cholesteryl chloride
3β-chloro-5,6-epoxycholestane
Conditions | Yield |
---|---|
With Rf2Bimpy; oxygen; isobutyraldehyde; ruthenium trichloride In chlorobenzene; acetone at 40℃; under 760 Torr; for 2.5h; | 94% |
With perfluoro-cis-2-n-butyl-3-n-propyloxaziridine In chloroform at -10℃; for 0.5h; | 92% |
With methyl hexanoate; CpLIP2 Y179F (ipase/acyltransferase) from Candida parapsilosis; dihydrogen peroxide In aq. phosphate buffer; water at 20℃; pH=6.5; Enzymatic reaction; | 59% |
cholesteryl chloride
3β-chloro-5,6α-epoxy-5α-cholestane
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In chloroform at 20℃; for 27.5h; Epoxidation; | 92% |
cholesteryl chloride
N,N-dimethyl-formamide
cholesteryl formate
Conditions | Yield |
---|---|
With silver tetrafluoroborate In nitromethane at 40℃; for 12h; | 92% |
Conditions | Yield |
---|---|
With tetraethylammonium bromide In dichloromethane at 20℃; for 0.5h; Electrochemical reaction; | 91% |
Conditions | Yield |
---|---|
Stage #1: cholesteryl chloride; benzo[1,3,2]dioxaborole at 100℃; for 16h; Inert atmosphere; Schlenk technique; Stage #2: 2,3-dimethyl-2,3-butane diol With triethylamine In dichloromethane at 0℃; Inert atmosphere; Schlenk technique; | 86% |
Conditions | Yield |
---|---|
With zinc for 1h; Heating; | 85% |
Conditions | Yield |
---|---|
With sodium azide In N,N-dimethyl-formamide at 100℃; | 83% |
With trimethylsilylazide; tin(IV) chloride In dichloromethane at -20 - 22℃; for 3h; Inert atmosphere; | 50% |
Conditions | Yield |
---|---|
With zinc(II) chloride In toluene at 77℃; for 20h; | 80% |
cholesteryl chloride
Conditions | Yield |
---|---|
With pyridine; silver(I) chromate; iodine In dichloromethane 1.) 0 deg C, 20 min, 2.) room temperature, 1 h.; | 78% |
Conditions | Yield |
---|---|
With zinc(II) chloride In water at 97℃; for 5h; | 75% |
cholesteryl chloride
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate; sodium nitrite In acetonitrile at 50℃; | 74% |
cholesteryl chloride
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In acetonitrile Heating; | 73% |
Conditions | Yield |
---|---|
With zinc(II) chloride In toluene at 64℃; for 32h; | 70% |
at 125℃; |
cholesteryl chloride
3β,5α-dichloro-6β-nitrocholestane
Conditions | Yield |
---|---|
With acetyl chloride; sodium nitrite In dichloromethane at 25℃; for 4h; Nitration; Addition; | 70% |
With chloro-trimethyl-silane; sodium nitrite In dichloromethane; chloroform Ambient temperature; | 65% |
With potassium acetate; nitrosylchloride In diethyl ether | |
With nitrosylchloride In tetrachloromethane at 0℃; for 2h; | 1.5 g |
Conditions | Yield |
---|---|
With tetraethylammonium bromide at 55℃; for 0.5h; Electrochemical reaction; | A n/a B n/a C 66% |
Conditions | Yield |
---|---|
With zinc(II) chloride In water at 100℃; for 4h; | 65% |
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