| Company Name: |
LangFangshi Zekang Pharma Tech CO.,Itd.
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| Tel: |
0316-2883536 19333636468 |
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93618484@qq.com |
| Products Intro: |
Product Name:Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)-
CAS:71934-47-9
Purity:95%+HPLC Package:25mg;50mg;100mg;500mgASSAYS
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| Company Name: |
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
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| Tel: |
18162595016; 18162595016 |
| Email: |
3287908757@qq.com |
| Products Intro: |
Product Name:Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)-
CAS:71934-47-9
Purity:95%+HPLC Package:10mg;25mg;50mg;100mg;200mg
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| Company Name: |
Sichuan jiayinglai technology CO.,LTD
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| Tel: |
028-64159575 |
| Email: |
1678230860@qq.com |
| Products Intro: |
Product Name:Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)-
CAS:71934-47-9
Purity:99% HPLC Package:5KG;1KG
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| | Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)- Basic information |
| Product Name: | Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)- | | Synonyms: | (11β,16β)-11-Hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-pregna-1,4-diene-3,20-dione;Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)-;Beclometasone Impurity 9;Beclometasone Dipropionate Impurity 1;Betamethasone Impurity 137 | | CAS: | 71934-47-9 | | MF: | C28H38O7 | | MW: | 486.6 | | EINECS: | | | Product Categories: | | | Mol File: | 71934-47-9.mol |  |
| | Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)- Chemical Properties |
| Boiling point | 605.6±55.0 °C(Predicted) | | density | 1.21±0.1 g/cm3(Predicted) | | solubility | soluble in Dichloromethane, Ethyl Acetate | | pka | 14.04±0.70(Predicted) | | form | Solid | | color | Beige |
| | Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)- Usage And Synthesis |
| Uses | (11b,16b)-11-Hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-pregna-1,4-diene-3,20-dione is an intermediate in the synthesis of (16b)-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4,9(11)-triene-3,20-dione (M294225), which is an impurity of Beclomethasone (B131000), a glucocorticoid. Used in chronic asthma and allergic rhinitis. Antiallergic, antiasthmatic (inhalant). Anti-inflammatory (topical). |
| | Pregna-1,4-diene-3,20-dione, 11-hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-, (11β,16β)- Preparation Products And Raw materials |
| Raw materials | (8S,9S,10R,11S,13S,14S,16S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one |
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