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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

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

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

Pharmaceutical Grade CAS 6870-94-6 with competitive price

Cas:6870-94-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)- CAS6870-94-6

Cas:6870-94-6

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

inquiry

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)- 6870-94-6

Cas:6870-94-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)- CAS:6870-94-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)- CAS:6870-94-6

Cas:6870-94-6

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

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

METHYLPREDNISOLONE INTERMEDIATES

Cas:6870-94-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why 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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:1 Gram

Negotiable

Type:Other

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

Methyl Prednisolone Intermediates

Cas:6870-94-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hebei Kunsui Technology Co., Ltd.

1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m

Pharmaceutical API Cortisol-17beta acid Powder CAS 6870-94-6

Cas:6870-94-6

Min.Order:1 Kilogram

FOB Price: $8.2 / 8.8

Type:Trading Company

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,

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our 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

Reliable Quality Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

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,

11beta,17alpha-Dihydroxy-6alpha-methylpregna-1,4-diene-3,20-dione

Cas:6870-94-6

Min.Order:1 Milligram

Negotiable

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)- Synonyms: Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-;FluoroMetholone Related CoMpound A;11beta,17alpha-Dihydroxy-6alpha-methylpregna-1,4-diene-3,

FluoroMetholone Related CoMpound 99% Manufactuered in China

Cas:6870-94-6

Min.Order:100 Gram

Negotiable

Type:Trading Company

inquiry

Golden Pharma Co., Limited

GOLDEN 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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

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

Pregna-1,4-Diene-3,20-Dione,11,17-Dihydroxy-6-Methyl-, (6A,11B)

Cas:6870-94-6

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

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

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package: in drum or bag or as per your request Application:Deltamedrane is an impurity in the

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

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:intermediate

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)- CAS No.6870-94-6

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

DB BIOTECH CO., LTD

best seller Application:API

Pregna-1,4-diene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-

Cas:6870-94-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

Methylprednisolone
83-43-2

Methylprednisolone

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

Conditions
ConditionsYield
ueber mehrere Stufen;
methylprednisolone acetate
53-36-1

methylprednisolone acetate

A

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

B

11β-hydroxy-6α-methyl-1,4-androstadiene-3,17-dione
61919-52-6

11β-hydroxy-6α-methyl-1,4-androstadiene-3,17-dione

C

6α-methylprednisone acetate

6α-methylprednisone acetate

Conditions
ConditionsYield
Product distribution; Rate constant; Irradiation; radiolytic degradation;
C26H42O6

C26H42O6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid / tetrahydrofuran / pH 2 - 3
2: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h
View Scheme
11β,17-dihydroxy-6α-methyl-pregn-4-ene-3,20-dione
7055-53-0

11β,17-dihydroxy-6α-methyl-pregn-4-ene-3,20-dione

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

Conditions
ConditionsYield
With potassium dihydrogenphosphate; D-glucose In methanol; water for 50h;
17-hydroxy-pregn-4-ene-3,11,20-trione
1882-82-2

17-hydroxy-pregn-4-ene-3,11,20-trione

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: trimethyloxosulfonium bromide; orthoformic acid triethyl ester / 5 h
2: sodium tetrahydroborate / tetrahydrofuran / 12 h
3: phthalic anhydride; dihydrogen peroxide / ethyl acetate / 6 h
4: magnesium / tetrahydrofuran / 4 h
5: sulfuric acid / tetrahydrofuran / pH 2 - 3
6: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h
View Scheme
3,3;20,20-bis-ethanediyldioxy-17-hydroxy-pregn-5-en-11-one
74332-34-6

3,3;20,20-bis-ethanediyldioxy-17-hydroxy-pregn-5-en-11-one

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: sodium tetrahydroborate / tetrahydrofuran / 12 h
2: phthalic anhydride; dihydrogen peroxide / ethyl acetate / 6 h
3: magnesium / tetrahydrofuran / 4 h
4: sulfuric acid / tetrahydrofuran / pH 2 - 3
5: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h
View Scheme
3,3;20,20-bis-ethanediyldioxy-pregn-5-ene-11β,17-diol
41870-77-3

3,3;20,20-bis-ethanediyldioxy-pregn-5-ene-11β,17-diol

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: phthalic anhydride; dihydrogen peroxide / ethyl acetate / 6 h
2: magnesium / tetrahydrofuran / 4 h
3: sulfuric acid / tetrahydrofuran / pH 2 - 3
4: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h
View Scheme
C25H38O7

C25H38O7

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: magnesium / tetrahydrofuran / 4 h
2: sulfuric acid / tetrahydrofuran / pH 2 - 3
3: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h
View Scheme
11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
6870-94-6

11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione

acetic acid
64-19-7

acetic acid

methylprednisolone acetate
53-36-1

methylprednisolone acetate

Conditions
ConditionsYield
Stage #1: 11β,17α-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione With iodine; calcium oxide In methanol; dichloromethane
Stage #2: acetic acid With potassium acetate In acetone at 45 - 50℃; for 2h;
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