| Company Name: |
Riedel-de Haen AG
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| Tel: |
800 558-9160 |
| Email: |
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| Products Intro: |
CAS:641-85-0
Purity:97%
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| Company Name: |
Steraloids Inc.
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| Tel: |
401 848-5422 |
| Email: |
sales@steraloids.com |
| Products Intro: |
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| Company Name: |
Research Plus, Inc.
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| Tel: |
800 341-2296 (U.S. and Canada) |
| Email: |
respls@aol.com |
| Products Intro: |
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| | 5-ALPHA-PREGNANE Basic information |
| Product Name: | 5-ALPHA-PREGNANE | | Synonyms: | ALLOPREGNANE;5α-Pregnane;Pregnane;Pregnane, (5alpha)-;5-ALPHA-PREGNANE;5ALPHA-PREGNAN;Pregnane, (5α)- | | CAS: | 641-85-0 | | MF: | C21H36 | | MW: | 288.51 | | EINECS: | 211-378-3 | | Product Categories: | | | Mol File: | 641-85-0.mol |  |
| | 5-ALPHA-PREGNANE Chemical Properties |
| Melting point | 84-85° | | alpha | D19 +18.4° (c = 1.69 in chloroform) | | Boiling point | 365.73°C (rough estimate) | | density | 0.9415 (estimate) | | refractive index | 1.7640 (estimate) | | CAS DataBase Reference | 641-85-0 |
| | 5-ALPHA-PREGNANE Usage And Synthesis |
| Uses | Pregnane is the steroid fundamental parent. A parent of the progesterone. | | Definition | ChEBI: 5alpha-pregnane is a pregnane and a C21-steroid. | | Purification Methods | Recrystallise 5-pregnane several times from Me2CO. The melting point is lowered (e.g. to 50-71o) if it is contaminated with the 5-isomer. [Butenandt et al. Chem Ber 6 4 2529 1931, Steiger & Reichstein Helv Chim Acta 21 161 1938, Beilstein 5 III 1120, 1121, 1125.] |
| | 5-ALPHA-PREGNANE Preparation Products And Raw materials |
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