Wuhan Vanz Pharm Inc Supply Top Quality CAS 50-28-2 β-ESTRADIOL, 99% purity, white powder, with COA Appearance:white powder Storage:RT Package:poly bag + foil bag Application:bodybuilding supplement, muscle enhance, Transportation:express via
Cas:50-28-2
Min.Order:1 Kilogram
FOB Price: $1500.0
Type:Manufacturers
inquiry1. 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:50-28-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryProduct Name: β-ESTRADIOL Synonyms: 17β-Estradiol - CAS 50-28-2 - Calbiochem;(+)-3,17β-estradiol;(17b)-estra-1,3,5(10)-triene-3,17diol;(17β)-estra-1,3,5(10)-triene-3,17diol;.alpha.-Oestradiol;.beta.-Oestradiol;17-.beta.-Estra-
Cas:50-28-2
Min.Order:100 Gram
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 quali
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 email in time prod
Cas:50-28-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryEstradiol 50-28-2 98%MIN factory Product Name: Estradiol Benzoate Synonyms: 17-beta-Oestradiol 3-benzoate CAS RN.: 50-50-0 EINECS: 200-043-7 Molecular Weight: 37
Cas:50-28-2
Min.Order:1 Gram
FOB Price: $15.0
Type:Lab/Research institutions
inquiryAdvantages: 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:50-28-2
Min.Order:10 Gram
Negotiable
Type:Other
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:50-28-2
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:50-28-2
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryItems Specifications Results Appearance White or almost white crystalline Almost white crystalline powder Melting Point 173℃~179℃ 176~179℃
Items Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:50-28-2
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White Crystalline Powder Storage:2-8°C Package:1kg/foil b
Cas:50-28-2
Min.Order:1 Kilogram
FOB Price: $1200.0
Type:Trading Company
inquirychengdu and import and export trade 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 res
Xi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi
Cas:50-28-2
Min.Order:10 Gram
FOB Price: $9.0 / 11.0
Type:Manufacturers
inquiryITEM SPECIFICATION RESULT Description White or practically white , odorless powder Complies
high 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
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
ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
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
Cas:50-28-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryAs 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:50-28-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryName:β-estradiol CAS NO:50-28-2 Grade:Medical scientific research and export Molecular formula:C18H24O2 Molecular weight:272.382 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Dat
Cas:50-28-2
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:50-28-2
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 manufactu
Cas:50-28-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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:50-28-2
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:50-28-2
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAdvantage : 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:50-28-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name:ESTRADIOL CAS: 50-28-2 MF: C18H24O2 MW: 272.38 EINECS: 200-023-8 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:drum Application:Hormone; Oestreogen & Progesterone Transpor
1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: β-ESTRADIOL Molecular Structure: Formula: C18H24O2 Molecular Weight : 272.38 Synonyms: BETA-ESTRADIOL-16,16,17-D3;17BETA-ESTRADIOL-16,16,17-D3;β-
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
Cas:50-28-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:50-28-2
Min.Order:10 Gram
FOB Price: $2.3
Type:Trading Company
inquiryConditions | Yield |
---|---|
With diisobutylaluminium hydride; nickel dichloride In dichloromethane; toluene at -78℃; for 0.25h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With aluminium trichloride In ethanethiol for 0.5h; Ambient temperature; | 97.5% |
With aluminium trichloride In ethanethiol for 0.5h; Ambient temperature; | 97.5% |
With pyridine hydrochloride at 200℃; for 1h; Microwave irradiation; Ionic liquid; | 92% |
Conditions | Yield |
---|---|
Stage #1: Estrone With sodium tetrahydroborate; sodium hydroxide In methanol; water for 0.75h; Stage #2: With hydrogenchloride In methanol; water | 97% |
With silver tetrafluoroborate; diphenylsilane; C33H43ClN3ORh In dichloromethane at 40℃; for 24h; Reagent/catalyst; Glovebox; Sealed tube; diastereoselective reaction; | 95% |
With potassium borohydride; Aliquat 336 In water at 60℃; for 1.5h; | 92% |
3-benzyloxyestra-1,3,5(10)-trien-17β-ol
estradiol
Conditions | Yield |
---|---|
With pyridine hydrochloride at 200℃; for 0.833333h; Microwave irradiation; Ionic liquid; | 97% |
With palladium; acetic acid Hydrogenolyse; | |
With ethanol; sodium | |
With hydrogenchloride at 100℃; |
3,17β-bis(benzyloxy)estra-1,3,5(10)-triene
estradiol
Conditions | Yield |
---|---|
With aluminium trichloride; 1-dodecylthiol at 20℃; for 1h; | 97% |
(8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene
estradiol
Conditions | Yield |
---|---|
With aluminium trichloride; 1-dodecylthiol at 20℃; for 1h; | 96% |
(8R,9S,13S,14S,17S)-3,17-dimethoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene
estradiol
Conditions | Yield |
---|---|
With aluminium trichloride; 1-dodecylthiol at 20℃; for 1h; | 95% |
With aluminum tri-bromide In ethanethiol for 1h; Ambient temperature; | 94.3% |
With aluminum tri-bromide In ethanethiol for 1h; Ambient temperature; | 94.3% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In 1,4-dioxane; water at 60℃; for 72h; Product distribution; Further Variations:; Solvents; Temperatures; Hydrolysis; | 90% |
androsta-1,4-diene-3α/β,17β-diol
estradiol
Conditions | Yield |
---|---|
With n-butyllithium In hexane; toluene at 100℃; for 11h; Aromatisation; | 83.8% |
estradiol-17β 3-propargyl ether
estradiol
Conditions | Yield |
---|---|
With benzyltriethylammonium tetrathiomolybdate In acetonitrile at 28℃; for 48h; | 82% |
estradiol
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran at 45℃; for 24h; | 81% |
1β-hydroxy-3-trimethylsilylestra-1,3,5(10)-triene
estradiol
Conditions | Yield |
---|---|
With Pb(trifluoroacetate)4; trifluoroacetic acid at 20℃; for 0.5h; Oxidation; | 80% |
(8R,9S,13S,14S,17S)-3-(4-methoxybenzyloxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
estradiol
Conditions | Yield |
---|---|
With proton-exchanged montmorillonite In dichloromethane at 20℃; | 78% |
Conditions | Yield |
---|---|
With Hexamethyldisiloxane; toluene-4-sulfonic acid In methanol; dichloromethane at -30 - 38℃; | A 72.8% B n/a |
chloro-trimethyl-silane
2,4-dibromo-3,17β-bis(trimethylsiloxy)estra-1,3,5(10)-triene
A
estradiol
B
2-(trimethylsilyl)estra-1,3,5(10)-triene-3,17β-diol
C
4-(trimethylsilyl)estra-1,3,5(10)-triene-3,17β-diol
Conditions | Yield |
---|---|
With methanol; sodium; potassium carbonate 1.) xylene, 1 h, 110 deg C, 2.) 1 h, 20 deg C; Yields of byproduct given; | A n/a B 68% C n/a |
With methanol; sodium; potassium carbonate 1.) xylene, 1 h, 110 deg C, 2.) 1 h, 20 deg C; Yield given; | A n/a B 68% C n/a |
sodium methylate
3,17β-di-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-triene
A
estradiol
B
17β-<2,6-difluoro-3,5-dimethoxy-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-trien-3-ol
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 10℃; for 2h; | A 4% B 68% |
10β-Hydroxy-17β-(benzoyloxy)-19-norandrost-4-en-3-one
estradiol
Conditions | Yield |
---|---|
With potassium hydroxide In methanol for 1h; Heating; | 68% |
Conditions | Yield |
---|---|
With copper(l) iodide; sodium methylate In methanol; N,N-dimethyl-formamide | A 50% B 3% |
2-bromoestradiol
sodium methylate
A
estradiol
B
2-Methoxyestradiol
Conditions | Yield |
---|---|
With copper(l) iodide In methanol; N,N-dimethyl-formamide | A 50% B 3% |
Conditions | Yield |
---|---|
With copper(l) iodide; sodium methylate In methanol; N,N-dimethyl-formamide | A 50% B 3% |
chloro-trimethyl-silane
3-methoxy-17β-(trimethylsiloxy)estra-1,3,5(10)-triene
A
estradiol
B
D-1α-(trimethylsilyl)-17β-hydroxyestr-5(10)-en-3-one
C
D-1α-(trimethylsilyl)-17β-hydroxyestr-4-en-3-one
Conditions | Yield |
---|---|
With 2O deg C; DME+HMPA; lithium; acetic acid Product distribution; oth. solvent; | A 9.9% B 37% C 13% D 9.9% |
Conditions | Yield |
---|---|
With tetra(n-butyl)ammonium hydroxide In water at 70℃; electrolysis; | A n/a B 30% |
With tetra(n-butyl)ammonium hydroxide In water electrolysis; | A n/a B 30% |
Conditions | Yield |
---|---|
With cytosyl normal human prostate for 1h; Product distribution; Ambient temperature; | A 9.6% B 8.9% |
6-dehydro-19-nortestosterone acetate
allyl-trimethyl-silane
A
estradiol
B
17β-acetoxy-7α-allyloestr-4-en-3-one
Conditions | Yield |
---|---|
With diethylaluminium chloride In dichloromethane at -15℃; for 2.5h; Product distribution; other reagents and products; other solvents and temperatures; | A 2% B 2% |
Conditions | Yield |
---|---|
at 370 - 390℃; | |
at 370 - 390℃; |
Conditions | Yield |
---|---|
With propan-1-ol; sodium |
Conditions | Yield |
---|---|
at 370 - 390℃; | |
at 370 - 390℃; |
Conditions | Yield |
---|---|
at 370 - 390℃; | |
at 370 - 390℃; |
9,10-dihydrophenanthrene
1-dehydrotestosterone
A
estradiol
B
4-methyl-estratriene-(1.3.5(10))-diol-(1.17β)
Conditions | Yield |
---|---|
at 390℃; |
Conditions | Yield |
---|---|
Isolierung aus dem Harn von Maennern nach Injektion von (+)-O-Acetyl-oestron; |
estradiol
acetic anhydride
estradiol-3,17-diacetate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 0.00833333h; microwave irradiation; | 100% |
With pyridine at 20℃; for 16h; Cooling with ice; | 98% |
With pyridine In dichloromethane at 20℃; for 12h; | 96% |
3,4-dihydro-2H-pyran
estradiol
3,17β-bis(2-tetrahydropyranyloxy)estra-1,3,5(10)-triene
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane at 20℃; for 3h; | 100% |
With 2,4,6-Trinitrophenol In benzene | 98% |
With toluene-4-sulfonic acid | 94% |
Conditions | Yield |
---|---|
for 0.5h; Heating; | 100% |
estradiol
para-nitrophenyl triflate
3-(trifluoromethanesulfonyl)-β-estradiol
Conditions | Yield |
---|---|
With potassium carbonate In pentane for 2h; Ambient temperature; | 100% |
Conditions | Yield |
---|---|
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O) In tert-butyl alcohol at 130℃; for 20h; | 100% |
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O) In tert-butyl alcohol for 20h; Reflux; | 100% |
With polystyrene-supported(cathecholato) oxoRe cat. act by iPrOH; dimethyl sulfoxide In toluene for 4h; Heating; Dean-Stark apparatus; | 98% |
Conditions | Yield |
---|---|
With dmap In tetrahydrofuran; dichloromethane at -5 - 20℃; under 760.051 Torr; for 3h; | 100% |
Conditions | Yield |
---|---|
Stage #1: estradiol With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; Stage #2: tert-butyl 2-(4-nitrophenyl)diazenecarboxylate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; | 100% |
Stage #1: estradiol With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; Stage #2: tert-butyl 2-(4-nitrophenyl)diazenecarboxylate In N,N-dimethyl-formamide Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With rubidium fluoride In acetonitrile at 80℃; for 1h; | 100% |
estradiol
<2,4-2H2>-1,3,5(10)-estratriene-3,17β-diol
Conditions | Yield |
---|---|
With perchloric acid; chloroform-d1; d(4)-methanol at 75℃; for 144h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With C12F18O13Zn4 for 40h; Reflux; Inert atmosphere; chemoselective reaction; | 99% |
With sodium hydrogen sulfate; silica gel In hexane at 67℃; for 72h; | 59% |
Conditions | Yield |
---|---|
With potassium carbonate at 90℃; for 3h; | 98% |
Conditions | Yield |
---|---|
With 2-Picolinic acid; potassium phosphate; copper(l) iodide In dimethyl sulfoxide at 90℃; for 24h; | 98% |
chloro-trimethyl-silane
estradiol
3,17β-bis(trimethylsiloxy)estra-1,3,5(10)-triene
Conditions | Yield |
---|---|
With 1,1,1,3,3,3-hexamethyl-disilazane In benzene for 5h; Heating; | 97% |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In acetone Reflux; | 97% |
With potassium carbonate In acetone Heating; | 93% |
With potassium carbonate In acetone for 18h; Reflux; | 93% |
estradiol
chloromethyl methyl ether
(8R,9S,13S,14S,17S)-3,17-bis(methoxymethoxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran Heating; | 97% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20 - 80℃; for 3h; | 97% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran Heating; | 96% |
Conditions | Yield |
---|---|
With sodium carbonate In methanol for 64h; Reflux; Inert atmosphere; | 97% |
With potassium carbonate In acetonitrile for 15h; Heating; | 94% |
With potassium carbonate | |
With potassium carbonate | |
With potassium carbonate |
estradiol
p-toluenesulfonyl chloride
3,17β-bis(toluene-4-sulfonyloxy)-1,3,5(10)-estratriene
Conditions | Yield |
---|---|
With pyridine; dmap for 2h; Ambient temperature; | 96.5% |
With pyridine | 87% |
Conditions | Yield |
---|---|
With pyridine at 20℃; | 96% |
With pyridine at 105 - 110℃; for 1h; | 80.03% |
With pyridine at 105 - 120℃; | |
With pyridine |
estradiol
C18H23BrO2
Conditions | Yield |
---|---|
With N-chloro-succinimide; sodium bromide In ethanol for 0.5h; Ambient temperature; | 96% |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 20h; | 96% |
Stage #1: estradiol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: benzyl bromide In N,N-dimethyl-formamide | 95% |
In N-methyl-acetamide | 95% |
Conditions | Yield |
---|---|
With N-Bromosuccinimide In methanol at 20℃; for 24h; Schlenk technique; | 96% |
With N-Bromosuccinimide In ethanol for 24h; | 55% |
Multi-step reaction with 2 steps 1.1: tetraethylammonium bromide / dimethylsulfoxide / Electrolysis 1.2: pyridine / CH2Cl2 2.1: KOH / methanol / 2 h / Heating View Scheme | |
With N-Bromosuccinimide In ethanol at 20℃; |
estradiol
Conditions | Yield |
---|---|
With fluorosulfonyl fluoride; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 18h; | 96% |
With fluorosulfonyl fluoride; triethylamine In dichloromethane at 20℃; for 12h; Sealed tube; | 84% |
Stage #1: estradiol With triethylamine In acetonitrile at 20℃; for 0.166667h; Stage #2: With 1-(fluorosulfuryl)-2,3-dimethyl-1H-imidazol-3-ium trifluoromethanesulfonate In acetonitrile for 1h; Inert atmosphere; | 82% |
estradiol
Conditions | Yield |
---|---|
With Amberlyst A26-resin bound iodine azide In acetonitrile at 20℃; for 3h; Catalytic behavior; Inert atmosphere; | 96% |
estradiol
perfluorotoluene
3-<2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenoxy>estra-1,3,5(10)-trien-17β-ol
Conditions | Yield |
---|---|
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water for 1h; Ambient temperature; | 95% |
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