1-(4-Amino-2-methylphenyl)pyrrolidine-2,5-dione CAS 91091-19-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91091-19-9 |
| Molecular Formula | C11H12N2O2 |
| Molecular Weight | 204.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-(4-Amino-2-methylphenyl)pyrrolidine-2,5-dione (CAS 91091-19-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12N2O2. Molecular weight: 204.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O2 |
| Molecular Weight | 204.23 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- 1-(3-Methylquinoxalin-2-yl)ethane-1,2-diol (CAS 32706-30-2)
- 2-(2,3-Difluorophenyl)-5-(methoxycarbonyl)-1-methyl-3-pyrrolidinecarboxylic acid (CAS 1096442-76-0)
- 4,6-Dichloro-2-methyl-5-phenylnicotinonitrile (CAS 127581-38-8)
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