5-Nitro-1H-Imidazole-2-Carboxylic Acid CAS 351990-51-7
Purity >95%In StockPharmaceutical Standards
| CAS No. | 351990-51-7 |
| Molecular Formula | C4H3N3O4 |
| Molecular Weight | 157.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Nitro-1H-Imidazole-2-Carboxylic Acid (CAS 351990-51-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H3N3O4. Molecular weight: 157.08 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H3N3O4 |
| Molecular Weight | 157.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
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Why CATO?
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