2-Hydroxy-3,17β-O-bis(methoxymethyl)estradiol CAS 217792-89-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 217792-89-7 |
| Molecular Formula | C22H32O5 |
| Molecular Weight | 376.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxy-3,17β-O-bis(methoxymethyl)estradiol (CAS 217792-89-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H32O5. Molecular weight: 376.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H32O5 |
| Molecular Weight | 376.49 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
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- 4-(2H-1,2,3-Triazol-2-yl)benzenemethanol (CAS 449211-78-3)
- 2-(2,5-Difluorophenyl)-2-(methylamino)acetic acid (CAS 1192660-36-8)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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