4,4＇-Diantipyrylmethane Monohydrate CAS 1251-85-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 1251-85-0 |
| Molecular Formula | C23H24N4O2 H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4＇-Diantipyrylmethane Monohydrate (CAS 1251-85-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H24N4O2 H2O. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H24N4O2 H2O |
| Molecular Weight | 406.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
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- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
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