258831-77-5 4-(2-Carboxyethyl)-3-methyl-5-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-1H-pyrrole-2-carboxylic acid DTXSID20741302 CAS 258831-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 258831-77-5 |
| Molecular Formula | C18H16N2O5 |
| Molecular Weight | 340.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 258831-77-5 4-(2-Carboxyethyl)-3-methyl-5-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-1H-pyrrole-2-carboxylic acid DTXSID20741302 (CAS 258831-77-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H16N2O5. Molecular weight: 340.33 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H16N2O5 |
| Molecular Weight | 340.33 g/mol |
| Appearance | Pale yellow to 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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- 5-Hydroxy-2-piperidone (CAS 19365-07-2)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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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