4-nitro-1H-pyrrole-2-carboxylic acid CAS 5930-93-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5930-93-8 |
| Molecular Formula | C5H4N2O4 |
| Molecular Weight | 156.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-nitro-1H-pyrrole-2-carboxylic acid (CAS 5930-93-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4N2O4. Molecular weight: 156.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4N2O4 |
| Molecular Weight | 156.10 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, 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.) | 1958 |
| Nitrogen Atoms | 2 |
Related nitro Standards
- 1-(3-Nitro-1H-1,2,4-triazol-1-yl)ethanone (CAS 129053-61-8)
- 2-Nitro-1H-pyrrole-3-carboxylic acid (CAS 36131-59-6)
- 3-Nitro-1h-pyrazole-4-carboxamide (CAS 39205-91-9)
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- 2-Methyl-5-nitro-1-nitroso-1H-imidazole (CAS CATO-C3D-26194)
Recommended Standards
- 5,5,5-Trifluorovaleric Acid (CAS 407-62-5)
- 4-Hydroxy-6-oxo-1,6-dihydro-1,3,5-triazine-2-carboxamide (CAS 69391-08-8)
- 5,6-Dihydroxypyrimidine-4-carboxylic acid (CAS 52412-10-9)
- (E)-5,5-Difluoro-1,3,9-trimethyl-10-phenyl-7-(4-(prop-2-yn-1-yloxy)styryl)-5H-5l4,6l4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine (CAS 1337969-88-6)
- 5-Bromo-2-(4-chlorophenyl)pyrimidine (CAS 177727-15-0)
- 3-Nitro-5-(p-tolyloxy)aniline (CAS 832740-86-0)
- Arachidyl Arachidate (CAS 22432-80-0)
- Repaglinide Impurity 15 (CAS 1809091-07-3)
- 3-Amino-4-[(2-methoxyethyl)amino]benzoic acid (CAS 284672-81-7)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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