5-PREGNEN-16, 17-EPOXY-3β, 21-DIOL-20-ONE 21-ACETATE CAS 28444-97-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28444-97-5 |
| Molecular Formula | C23H32O5 |
| Molecular Weight | 388.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-PREGNEN-16, 17-EPOXY-3β, 21-DIOL-20-ONE 21-ACETATE (CAS 28444-97-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C23H32O5. Molecular weight: 388.50 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H32O5 |
| Molecular Weight | 388.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related PREGNEN Standards
- 4-PREGNEN-3, 20-DIONE 3-O-CARBOXYMETHYLOXIME-(NH)-CH)10-(NH)-BIOTIN (CAS 50909-89-2)
- 5-PREGNEN-16-METHYLENE-3β, 17-DIOL-20-ONE 3-ACETATE (CAS 15369-66-1)
- 4-PREGNEN-11β, 21-DIOL-3, 18, 20-TRIONE 21-ACETATE (CAS 297-91-6)
- 5-PREGNEN-3β, 17-DIOL-20-ONE 3-ACETATE (CAS 41906-06-3)
- 5-PREGNEN-3β, 20α-DIOL DIACETATE (CAS 1913-47-9)
- 5-PREGNEN-6-METHYL-3β-OL-20-ONE ACETATE (CAS 6222-82-8)
- 4-PREGNEN-1α, 11β, 21-TRIOL-3, 20-DIONE (CAS 10163-49-2)
- 4-PREGNEN-17, 19, 21-TRIOL-3, 20-DIONE (CAS 510-65-6)
Recommended Standards
- 4-ANDROSTEN-3β, 17β-DIOL-11-ONE DIACETATE (CAS 4134-41-2)
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- 3-Ketodigoxigenin (CAS 4442-17-5)
- 4-{[1-methyl-3-(trifluoromethyl)-5-[3-(trifluoromethyl)phenoxy]-1H-pyrazol-4-yl]methoxy}benzonitrile (CAS 318959-27-2)
- 2-(4-Benzylpiperazin-1-yl)-3-fluorobenzaldehyde (CAS 883512-18-3)
- (R)-2-(Fmoc-amino)-3-cyclopentylpropanoic Acid (CAS 1262802-59-4)
- Methyl 1-cyclopentylazetidine-3-carboxylate (CAS 1355247-97-0)
- Alogliptin Impurity 41 (CAS 3177-80-8)
- 2-Methoxy-N-(2-(piperidin-1-yl)ethyl)acetamide (CAS 1252461-45-2)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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