1-Hydroxy-3-phenyl-1H-pyrrole-2,5-dione CAS 883837-34-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 883837-34-1 |
| Molecular Formula | C10H7NO3 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Hydroxy-3-phenyl-1H-pyrrole-2,5-dione (CAS 883837-34-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H7NO3. Molecular weight: 189.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H7NO3 |
| Molecular Weight | 189.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 2-(4-chlorobut-1-yn-1-yl)pyridine (CAS 1339733-13-9)
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- ethyl 2-[(2-amino-4-chlorophenyl)sulfanyl]propanoate (CAS 1250689-08-7)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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