VitaminD4;Synonyms:22,23-DihydrovitaminD2 (3β,5Z,7E)-9,10-Secoergosta-5,7,10(19)-trien-3-ol 22-Dihydroergocalciferol Formula… Package:According to your requirement Port:ANY PORT IN CHINA
We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:511-28-4
Min.Order:1 Gram
Negotiable
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:511-28-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryADVANTAGE: 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,
Our 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
With 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 manufacturing
Cas:511-28-4
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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:511-28-4
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryAbout Product Details
Cas:511-28-4
Min.Order:1 Gram
FOB Price: $3.0 / 5.0
Type:Lab/Research institutions
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:511-28-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: VitaMin D4 CAS: 511-28-4 MF: C28H46O MW: 398.66 EINECS: 208-127-5 VitaMin D4 Structure VitaMin D4 Chemical Properties Melting point 83-86 °C(lit.) alpha D18 +89.3° (c = 0.47 in acetone) Boiling point
VitaMin D4 CAS:511-28-4 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 intermediates, s
Cas:511-28-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:511-28-4
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
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:511-28-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Pale Yellow Oil Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Vitamin D4
Vitamin D3 powder is a fat-soluble vitamin, is used as a precursor for calcium, phosphorus metabolic hormones,it has close relationship with sunshine, so also called the "sunshine vitamin". Vitamin D3 is fat-soluble, insoluble in wa
English name: VITAMIN D3 English synonyms: RACUMIN D;OLEOVITAMIN D3;VITAMIN D;ANTI-RACHITIC VITAMIN;CALCIOL;CHOLECALCIFEROLUM;COLECALCIFEROL;ACTIVATED 7-DEHYDROCHOLESTEROL CAS Number: 511-28-4 Molecular Formula: C27H44O
Cas:511-28-4
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
inquiryProduct name: Cholecalciferol Cholesterol CAS No.:511-28-4 Molecule Formula:C27H44O Molecule Weight:384.64 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING
Cas:511-28-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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 produc
Appearance:White to off-white powder
Jinhua 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:511-28-4
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryWhy is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) 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 . Application:API
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
TIANFU-CHEM VITAMIN D3Appearance:white powder Storage:room temperature Package:200KG Application:Industrial Grade Transportation:By sea , by air or express
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:511-28-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryVITAMINDAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
QualityAdvanced technologySupper qualityEffective & safety packageServiceProfessional and timely afte-sale service(replied within 24h)Appearance:White to off-white powder Storage:dry, ventilated Package:94kg/bag(on requests) Application:intermediates
We 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
BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. Package:
Benzoic acid (S)-4-methylene-3-[2-oxo-eth-(Z)-ylidene]-cyclohexyl ester
(1R,3aR,4S,7aR)-4-benzenesulfonyl-7a-methyl-1-<(1R,4S)-1,4,5-trimethyl-hexyl>-octahydroindene
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
(i) ClSiMe3, (ii) Li-Hg; Multistep reaction; |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
With sodium amalgam |
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran for 1h; Yield given; Yields of byproduct given; |
(24S)-ergosta-5,7-diene-3β-ol
A
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
With diethyl ether Irradiation.UV-Licht (Magnesium-Funken); Reinigung ueber das O-<3.5-Dinitro-benzoyl>-Derivat; |
Benzoic acid (S)-3-[2-hydroxy-eth-(Z)-ylidene]-4-methylene-cyclohexyl ester
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: MnO2 2: (i) ClSiMe3, (ii) Li-Hg View Scheme | |
Multi-step reaction with 3 steps 1: MnO2 2: (i) nBuLi, (ii) /BRN= 471389/, Py 3: Na-Hg View Scheme |
Benzoic acid (S)-4-methylene-3-[2-oxo-eth-(Z)-ylidene]-cyclohexyl ester
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (i) nBuLi, (ii) /BRN= 471389/, Py 2: Na-Hg View Scheme |
(1R,3aR,4R,5R,7aR)-7a-Methyl-4-phenylsulfanyl-1-((1R,4S)-1,4,5-trimethyl-hexyl)-octahydro-inden-5-ol
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: Py 2: m-ClC6H4CO3H 3: KOtBu 4: H2 / Pd-C 5: (i) ClSiMe3, (ii) Li-Hg View Scheme | |
Multi-step reaction with 6 steps 1: Py 2: m-ClC6H4CO3H 3: KOtBu 4: H2 / Pd-C 5: (i) nBuLi, (ii) /BRN= 471389/, Py 6: Na-Hg View Scheme |
(1R,3aR,4R,7aR)-4-Benzenesulfonyl-7a-methyl-1-((1R,4S)-1,4,5-trimethyl-hexyl)-2,3,3a,4,7,7a-hexahydro-1H-indene
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2 / Pd-C 2: (i) ClSiMe3, (ii) Li-Hg View Scheme | |
Multi-step reaction with 3 steps 1: H2 / Pd-C 2: (i) nBuLi, (ii) /BRN= 471389/, Py 3: Na-Hg View Scheme |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: m-ClC6H4CO3H 2: KOtBu 3: H2 / Pd-C 4: (i) ClSiMe3, (ii) Li-Hg View Scheme | |
Multi-step reaction with 5 steps 1: m-ClC6H4CO3H 2: KOtBu 3: H2 / Pd-C 4: (i) nBuLi, (ii) /BRN= 471389/, Py 5: Na-Hg View Scheme |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: KOtBu 2: H2 / Pd-C 3: (i) ClSiMe3, (ii) Li-Hg View Scheme | |
Multi-step reaction with 4 steps 1: KOtBu 2: H2 / Pd-C 3: (i) nBuLi, (ii) /BRN= 471389/, Py 4: Na-Hg View Scheme |
(1R,3aR,4S,7aR)-4-benzenesulfonyl-7a-methyl-1-<(1R,4S)-1,4,5-trimethyl-hexyl>-octahydroindene
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (i) nBuLi, (ii) /BRN= 471389/, Py 2: Na-Hg View Scheme |
(24S)-ergosta-5,7-diene-3β-ol
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
With potassium nitrate In tetrahydrofuran; nitrogen; argon |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 1H-imidazole / dichloromethane / 0 - 30 °C 2: sulfur dioxide / dichloromethane / -20 °C / Darkness 3: sodium hydrogencarbonate / ethanol / Inert atmosphere; Reflux; Darkness 4: 4-methyl-morpholine; selenium(IV) oxide / dichloromethane; acetonitrile / Reflux 5: 1H-imidazole / dichloromethane / 2 h / 0 - 20 °C 6: anthracene; triethylamine / toluene / 20 °C / Inert atmosphere; UV-irradiation View Scheme |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 1H-imidazole / dichloromethane / 0 - 30 °C 2: sulfur dioxide / dichloromethane / -20 °C / Darkness 3: sodium hydrogencarbonate / ethanol / Inert atmosphere; Reflux; Darkness 4: 4-methyl-morpholine; selenium(IV) oxide / dichloromethane; acetonitrile / Reflux 5: 1H-imidazole / dichloromethane / 2 h / 0 - 20 °C 6: anthracene; triethylamine / toluene / 20 °C / Inert atmosphere; UV-irradiation 7: tetrabutyl ammonium fluoride / tetrahydrofuran / 60 °C / Inert atmosphere; Darkness; Reflux View Scheme |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1H-imidazole / dichloromethane / 0 - 30 °C 2: sulfur dioxide / dichloromethane / -20 °C / Darkness View Scheme |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1H-imidazole / dichloromethane / 0 - 30 °C 2: sulfur dioxide / dichloromethane / -20 °C / Darkness 3: sodium hydrogencarbonate / ethanol / Inert atmosphere; Reflux; Darkness View Scheme |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1H-imidazole / dichloromethane / 0 - 30 °C 2: sulfur dioxide / dichloromethane / -20 °C / Darkness 3: sodium hydrogencarbonate / ethanol / Inert atmosphere; Reflux; Darkness 4: 4-methyl-morpholine; selenium(IV) oxide / dichloromethane; acetonitrile / Reflux View Scheme |
2,2-dihydroergocalciferol
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 1H-imidazole / dichloromethane / 0 - 30 °C 2: sulfur dioxide / dichloromethane / -20 °C / Darkness 3: sodium hydrogencarbonate / ethanol / Inert atmosphere; Reflux; Darkness 4: 4-methyl-morpholine; selenium(IV) oxide / dichloromethane; acetonitrile / Reflux 5: 1H-imidazole / dichloromethane / 2 h / 0 - 20 °C View Scheme |
2,2-dihydroergocalciferol
tert-butyldimethylsilyl chloride
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0 - 30℃; |
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