Ethyl 5-formyl-1-methyl-4-nitro-1H-pyrrole-2-carboxylate CAS 222549-75-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 222549-75-9 |
| Molecular Formula | C9H10N2O5 |
| Molecular Weight | 226.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-formyl-1-methyl-4-nitro-1H-pyrrole-2-carboxylate (CAS 222549-75-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H10N2O5. Molecular weight: 226.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H10N2O5 |
| Molecular Weight | 226.19 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Ethyl 3-methyl-5-nitro-6-oxo-1,6-dihydropyridine-2-carboxylate (CAS 2802455-63-4)
- Ethyl 6-methyl-3-nitro-2-oxo-1,2-dihydropyridine-4-carboxylate (CAS 70026-89-0)
- Ethyl 2-hydroxy-2-(trifluoromethyl)-4-methylpent-4-enoate (CAS 217195-91-0)
- 2-(Azepan-1-yl)-1-phenylethan-1-ol oxalate (CAS 4641-54-7)
- 1-[(2,4-Dichlorophenyl)methyl]-4-(4-fluorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317833-35-5)
- 6-Chloro-2-methoxy-N-methylacridin-9-amine (CAS 4822-23-5)
- Sodium 4,5-dimethylthiazole-2-thiolate (CAS 87559-84-0)
- 1-(1-(TERT-BUTOXYCARBONYL)PYRROLIDIN-3-YL)PIPERIDINE-2-CARBOXYLIC ACID (CAS 1219434-20-4)
- Mitapivat Impurity N37 (CAS 116834-64-1)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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