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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

17-Hydroxy-19-norpregna-4,9-diene-3,20-dione acetate

Cas:14340-04-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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

Hot productCAS 14340-04-6 with competitive price

Cas:14340-04-6

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.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

19-Norpregna-4,9-diene-3,20-dione, 17-(acetyloxy)-

Cas:14340-04-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione CAS:14340-04-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializi

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione CAS:14340-04-6

Cas:14340-04-6

Min.Order:1 Gram

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

GESTADIENOL ACETATE;17Α-ACETOXY-19-NORPREGNA-4,9-DIENE-3,20-DIONE

Cas:14340-04-6

Min.Order:1 Gram

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

cas:14340-04-6

Cas:14340-04-6

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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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,

19-Norpregna-4,9-diene-3,20-dione, 17-(acetyloxy)-

Cas:14340-04-6

Min.Order:1 Gram

Negotiable

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

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Cas no.14340-04-6 98% 17伪-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

with high qualityAppearance:white powder Storage:Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Package:25kg/drum Application:as intermediates Transportation:by courier, air or sea Port:At any port from China

Ulipristal Acetate intermediate 14340-04-6 with best price

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Manufacturers

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

17α-Acetoxy-19-Norpregna-4,9-Diene-3,20-Dione

Cas:14340-04-6

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

factory?direct?sale Application:healing drugs

19-Norpregna-4,9-diene-3,20-dione, 17-(acetyloxy)-

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NUTROCHEM- MANUFACTURE PLACE

best seller Application:API

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Chemlin Chemical Co., Ltd.

Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co

14340-04-6

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Wising Chem Co., Ltd

Henan Wising Chem Co., Ltd is a national high-tech enterprise with a passion for selling and an emphasis on customer care. We are committed to providing quality chemical products that help us become one of the most reputable, reliable and leading ch

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

hangzhou verychem science and technology co.ltd

good price Application:intermeidate

Gestadienol acetate; 17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chengdu Uwin Chemical Co., Ltd

98% HPLC, High purity Storage:Normal save Package:100g 1kg 10kg 25kg Application:Scientific and medical fields

17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione

Cas:14340-04-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

acetic acid
64-19-7

acetic acid

3,3-[1,2-ethanediylbis(oxy)]-17α-hydroxy-19-norpregna-5(10),9(11)-diene-20-one
42982-49-0

3,3-[1,2-ethanediylbis(oxy)]-17α-hydroxy-19-norpregna-5(10),9(11)-diene-20-one

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane at 0℃; for 0.166667h;99%
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane at 0℃; for 0.166667h;99%
acetic acid
64-19-7

acetic acid

17α-hydroxy-19-norpregna-4(5),9(10)-diene-3,20-dione
14340-01-3

17α-hydroxy-19-norpregna-4(5),9(10)-diene-3,20-dione

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane at 0℃; for 0.25h;62.3%
3,3-(ethylene-dioxy)-17β-cyano-17α-hydroxy-19-norpregna-5(10),9(11)-diene

3,3-(ethylene-dioxy)-17β-cyano-17α-hydroxy-19-norpregna-5(10),9(11)-diene

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: PYRIMIDINE / toluene / 20 - 60 °C
2: tetrahydrofuran / toluene / 16 h / Inert atmosphere; Reflux
3: toluene-4-sulfonic acid; trifluoroacetic anhydride / dichloromethane / 0.17 h / 0 °C
View Scheme
ethylene deltenone
5571-36-8

ethylene deltenone

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: acetic acid / methanol / 6 h / 20 °C
2: PYRIMIDINE / toluene / 20 - 60 °C
3: tetrahydrofuran / toluene / 16 h / Inert atmosphere; Reflux
4: toluene-4-sulfonic acid; trifluoroacetic anhydride / dichloromethane / 0.17 h / 0 °C
View Scheme
17β-cyano-3,3-[1,2-ethanediylbis(oxy)]-17α-trimethylsilyloxyestra-5(10),9(11)-diene
54690-63-0

17β-cyano-3,3-[1,2-ethanediylbis(oxy)]-17α-trimethylsilyloxyestra-5(10),9(11)-diene

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: tetrahydrofuran / toluene / 16 h / Inert atmosphere; Reflux
2: toluene-4-sulfonic acid; trifluoroacetic anhydride / dichloromethane / 0.17 h / 0 °C
View Scheme
ethylene glycol
107-21-1

ethylene glycol

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

17α-acetoxy-3,3[1,2-ethanediylbis(oxy)]-19-norpregna-5(10),9(11)-diene-20-one
240806-31-9

17α-acetoxy-3,3[1,2-ethanediylbis(oxy)]-19-norpregna-5(10),9(11)-diene-20-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid; orthoformic acid triethyl ester In dichloromethane at 20℃; for 0.5h;100%
In toluene Reflux;54 g
17α-acetoxy-19-norpregna-4,9-diene-3,20-dione
14340-04-6

17α-acetoxy-19-norpregna-4,9-diene-3,20-dione

17α-acetoxy-3,3[1,2-ethanediylbis(oxy)]-19-norpregna-5(10),9(11)-diene-20-one
240806-31-9

17α-acetoxy-3,3[1,2-ethanediylbis(oxy)]-19-norpregna-5(10),9(11)-diene-20-one

Conditions
ConditionsYield
Stage #1: ethylene glycol; toluene-4-sulfonic acid In toluene Heating / reflux;
Stage #2: 17α-acetoxy-19-norpregna-4,9-diene-3,20-dione In toluene Heating / reflux;

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