| Company Name: |
J & K SCIENTIFIC LTD.
|
| Tel: |
010-82848833 400-666-7788 |
| Email: |
jkinfo@jkchemical.com |
| Products Intro: |
Product Name:4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one
CAS:25073-30-7
Package:500Mg,50Mg
|
| Company Name: |
Chemsky（shanghai）International Co.,Ltd.
|
| Tel: |
021-50135380 |
| Email: |
shchemsky@sina.com |
| Products Intro: |
Product Name:4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one
CAS:25073-30-7
Purity:98% Package:1950RMB/50Mg; 12000RMB/500Mg
|
| Company Name: |
Shanghai TaoSu Biochemical Technology Co., Ltd.
|
| Tel: |
021-33632979 |
| Email: |
info@tsbiochem.com |
| Products Intro: |
Product Name:4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one
CAS:25073-30-7
Purity:90% Package:50Mg;500Mg;;
|
| Company Name: |
Jinan blalong chemical co. LTD
|
| Tel: |
2710913286@.com |
| Email: |
1513643261@qq.com |
| Products Intro: |
Product Name:LevonorgestrelImpurity7
CAS:25073-30-7
Purity:99% HPLC Package:50G;10G;1G;500MG;100MG
|
|
| | 4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one Basic information |
| Product Name: | 4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one | | Synonyms: | 4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one;QAADEDKZKKRMIM-DKFSCDSJSA-N;Levonorgestrel Impurity 7 (Mixture of Diastereomers);18,19-Dinor-17α-pregn-20-yn-3-one, 4,5-epoxy-13-ethyl-17-hydroxy- (8CI);LevonorgestrelImpurity7 | | CAS: | 25073-30-7 | | MF: | C21H28O3 | | MW: | 328.45 | | EINECS: | | | Product Categories: | Chiral Reagents, Pharmaceuticals, Intermediates & Fine Chemicals, Steroids | | Mol File: | 25073-30-7.mol |  |
| | 4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one Chemical Properties |
| Boiling point | 470.9±45.0 °C(Predicted) | | density | 1.21±0.1 g/cm3(Predicted) | | solubility | Chloroform (Slightly), Methanol (Slightly) | | pka | 13.11±0.40(Predicted) | | form | Solid | | color | White to Off-White |
| | 4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one Usage And Synthesis |
| Uses | 4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one is an intermediate in the synthesis of derivatives of Levonogestrel (N689510), an emergency contraceptive. |
| | 4,5-Epoxy-13-ethyl-17-hydroxy-18,19-dinor-17α-pregn-20-yn-3-one Preparation Products And Raw materials |
|