23880-57-1 3-(Benzyloxy)-estra-1,3,5(10),16-tetraene 3-(Phenylmethoxy)-estra-1,3,5(10),16-tetraene 3-O-Benzyl Estratetraenol CAS 23880-57-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 23880-57-1 |
| Molecular Formula | C25H28O |
| Molecular Weight | 344.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
23880-57-1 3-(Benzyloxy)-estra-1,3,5(10),16-tetraene 3-(Phenylmethoxy)-estra-1,3,5(10),16-tetraene 3-O-Benzyl Estratetraenol (CAS 23880-57-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H28O. Molecular weight: 344.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H28O |
| Molecular Weight | 344.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
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- 2-Chloro-N,N-dimethylacetamide (CAS 2675-89-0)
- 2-Phenylpyrazolo[1,5-c]quinazolin-5-amine (CAS 1416438-94-2)
- 3,5-Dibromo-1,2,4-thiadiazole (CAS 213325-84-9)
- 1,3-Diethyl 2-[(3,4-dichlorophenyl)-methyl]propanedioate (CAS 59315-14-9)
- 5-[1-(Ethylsulfonyl)piperidin-3-yl]-4-(4-methylbenzyl)-4H-1,2,4-triazole-3-thiol (CAS 932875-72-4)
- Insulin Degludec Impurity 24 (CAS CATO-C4X-215724)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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