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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production Cyromazine、Azamethiphos、lead diacetate trihydrate /Lead acetate trihydrateC、 2-phenylacetamide 、 4-Aminophenyl-1-phenethylpiperidine 、Citric acid monohydrate 、 Cit

16beta-methyl epoxide(DB11)

Cas:981-34-0

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

inquiry

Ality Chemical Corporation

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

Factory Supply 16-Beta Methyl Epoxide

Cas:981-34-0

Min.Order:1

Negotiable

Type:Other

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Chemwill Asia Co., Ltd.

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

9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione

Cas:981-34-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our 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

top 9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione

Cas:981-34-0

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

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 manufacturin

9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione

Cas:981-34-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

New production CAS 981-34-0 with best quality

Cas:981-34-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Hot Sell Factory Supply Raw Material CAS 981-34-0 ,DB-11

Cas:981-34-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : 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&amp

16-beta Methyl epoxide/ LIDE PHARMA- Factory supply / Best price

Cas:981-34-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione CAS981-34-0

Cas:981-34-0

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White or almost white crystalline powder Storage:ln stock Package:25kg/Tin Application:Key intermediate Transportation:Express/Sea/Air Port:Shanghai

Hot DB11/16-Beta Methyl Epoxide supplier in Stock

Cas:981-34-0

Min.Order:1 Kilogram

FOB Price: $769.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. 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:Store in sealed conta

high quality981-34-0 9beta,11beta-Epoxy-1 with best price

Cas:981-34-0

Min.Order:10 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

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

16-beta Methyl epoxide 981-34-0

Cas:981-34-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply High quality 16-beta Methyl Epoxide CAS 981-34-0 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in

High quality 16-beta Methyl Epoxide CAS 981-34-0

Cas:981-34-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

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 emai

16-beta Methyl Epoxide Powder

Cas:981-34-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Lorcaserin(856681-05-5)is an orally administered agent and a selective 5-HT2C receptor agonist for the treatment of obesity. It had been approved for marketing in US by FDA on 27 June in 2012. In clinical studies, lorcaserin h

9-beta,11-beta-epoxy-17-alpha,21-dihydroxy-16-beta-methylenepregna-1,4-diene-3,20-dione 981-34-0

Cas:981-34-0

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A 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

16-beta Methyl epoxide

Cas:981-34-0

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

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

DB-11

Cas:981-34-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company 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

9BETA,11BETA-EPOXY-17ALPHA,21-DIHYDROXY-16BETA-METHYLENE-PREGNA-1,4-DIENE-3,20-DIONE

Cas:981-34-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

16-beta Methyl Epoxide

Cas:981-34-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

High quality 16-Beta Methyl Epoxide

Cas:981-34-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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SHANGHAI SYSTEAM BIOCHEM CO., LTD

We 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

DB-11

Cas:981-34-0

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:Off-White Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:A metabolite of Mometasone furoate. Low solubil

9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione

Cas:981-34-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 9-Beta,11-Beta-Epoxy-17-Alpha,21-Dihydroxy-16-Beta-Methylenepregna-1,4-Diene-3,20-Dione CAS No.:981-34-0 Molecule Formula:C22H28O5 Molecule Weight:372.45 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manuf

High Quality 9-Beta,11-Beta-Epoxy-17-Alpha,21-Dihydroxy-16-Beta-Methylenepregna-1,4-Diene-3,20-Dione on stock

Cas:981-34-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product 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,

9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione

Cas:981-34-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione Basic information Product Name: 9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione Synonyms: 16-BETA METHYL EPOXIDE;9beta,11

9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione

Cas:981-34-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?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

DB-11

Cas:981-34-0

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

9beta,11beta-Epoxy-17alpha,21-dihydroxy-16beta-methylene-pregna-1,4-diene-3,20-dione

Cas:981-34-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

DB-11

Cas:981-34-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Send Pharmaceutical Technology Co., Ltd.

stock,low price,high quality,high purity,good sevice Appearance:981-34-0 Storage:Preserve In Well-Closed, Light-Resistant and Tight Containers. Store In Cool & Dry Place Package:1g,5g,50g,100g,1kg...more Application:R&D Transportation:by land,by ai

DB11

Cas:981-34-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.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

16beta-methyl epoxide(DB11)

Cas:981-34-0

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Synthetic route

21-acetoxy-17α-hydroxy-9β,11β-epoxy-16β-methylpregna-4-ene-3,20-dione

21-acetoxy-17α-hydroxy-9β,11β-epoxy-16β-methylpregna-4-ene-3,20-dione

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
With D-Glucose In aq. phosphate buffer for 76h; Microbiological reaction;83%
C25H33BrO7

C25H33BrO7

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
In dichloromethane; water at 25 - 30℃; for 1h; Inert atmosphere;75%
With sodium hydroxide In methanol; dichloromethane at 0 - 5℃;
Carbonic acid 2-((8S,9S,10R,11R,13S,14S,16S,17R)-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester ethyl ester

Carbonic acid 2-((8S,9S,10R,11R,13S,14S,16S,17R)-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester ethyl ester

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: phosphorus pentachloride / tetrahydrofuran / 1 h / -85 °C
2: perchloric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / water / 0.25 h / 10 - 20 °C
3: sodium hydroxide / dichloromethane; water; methanol / 3 h / -5 - 0 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: phosphorus pentachloride / tetrahydrofuran / 1 h / -85 °C
2: perchloric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / water; N,N-dimethyl-formamide / 1 h / 20 °C
3: sodium hydroxide / dichloromethane; methanol / 0 - 5 °C
View Scheme
Multi-step reaction with 4 steps
1: phosphorus pentachloride; pyridine / dichloromethane / 0.75 h / 20 °C
2: dimethyl sulfoxide / 3 h / 90 °C
3: perchloric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / water / 0.25 h / 10 - 20 °C
4: sodium hydroxide / dichloromethane; water; methanol / 3 h / -5 - 0 °C / Inert atmosphere
View Scheme
C26H36O9S

C26H36O9S

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium acetate; acetic acid / 115 °C
2: perchloric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / water / 0.25 h / 10 - 20 °C
3: sodium hydroxide / dichloromethane; water; methanol / 3 h / -5 - 0 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: sodium acetate; acetic acid / 115 °C
2: perchloric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / water; N,N-dimethyl-formamide / 1 h / 20 °C
3: sodium hydroxide / dichloromethane; methanol / 0 - 5 °C
View Scheme
C26H33BrO8

C26H33BrO8

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
With sodium hydroxide In methanol; dichloromethane; water at -5 - 0℃; for 3h; Inert atmosphere;
17α-hydroxy-16β-methyl-21-ethoxycarbonyloxypregna-1,4,9(11)-triene-3,20-dione
56665-79-3

17α-hydroxy-16β-methyl-21-ethoxycarbonyloxypregna-1,4,9(11)-triene-3,20-dione

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: perchloric acid; 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione / water; N,N-dimethyl-formamide / 1 h / 20 °C
2: sodium hydroxide / dichloromethane; methanol / 0 - 5 °C
View Scheme
21-Chloro-17α-hydroxy-16β-methylpregna-1,4,9(11)-triene-3,20-dione
116846-77-6

21-Chloro-17α-hydroxy-16β-methylpregna-1,4,9(11)-triene-3,20-dione

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium iodide / N,N-dimethyl-formamide / 3 h / 60 °C
2: perchloric acid; 5,5-dibromohydantoin / water / 3 h / -5 °C
3: sodium sulfite; sodium hydroxide / water; methanol / 3 h / 10 °C
View Scheme
Acetic acid 2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-bromo-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester

Acetic acid 2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-bromo-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

Conditions
ConditionsYield
With sodium hydroxide; sodium sulfite In methanol; water at 10℃; for 3h;
17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

betamethasone
378-44-9

betamethasone

Conditions
ConditionsYield
With hydrogen fluoride In water; N,N-dimethyl-formamide at -15℃;89%
With hydrogen fluoride
17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

9β,11β-epoxy-16β-methylandrosta-1,4-diene-3,17-dione
1192715-48-2

9β,11β-epoxy-16β-methylandrosta-1,4-diene-3,17-dione

Conditions
ConditionsYield
With bithmuth(III) triflate hydrate In 1,4-dioxane at 80℃; chemoselective reaction;45%
17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione
981-34-0

17α,21-dihydroxy-9β,11β-epoxy-16β-methylpregna-1,4-diene-3,20-dione

dexamethasone
50-02-2

dexamethasone

Conditions
ConditionsYield
With hydrogen fluoride

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