3-chloro-4-[(4-methoxyphenyl)amino]-1-(4-methylphenyl)-1H-pyrrole-2,5-dione CAS 303034-29-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303034-29-9 |
| Molecular Formula | C18H15ClN2O3 |
| Molecular Weight | 342.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-chloro-4-[(4-methoxyphenyl)amino]-1-(4-methylphenyl)-1H-pyrrole-2,5-dione (CAS 303034-29-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C18H15ClN2O3. Molecular weight: 342.78 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H15ClN2O3 |
| Molecular Weight | 342.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-(3-Hydroxyisoxazol-5-yl)acetic acid (CAS 54489-27-9)
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- (S)-2-(3-(pyrrolidin-2-yl)phenyl)acetic acid (CAS 1213476-76-6)
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