1H-Pyrrole-2,3,4-tricarboxylic acid CAS 944-54-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 944-54-7 |
| Molecular Formula | C7H5NO6 |
| Molecular Weight | 199.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-Pyrrole-2,3,4-tricarboxylic acid (CAS 944-54-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5NO6. Molecular weight: 199.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5NO6 |
| Molecular Weight | 199.12 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related H Standards
- 1H-Pyrrole-1-carboxylic acid, 2,5-dihydro-3,4-dimethyl-, 1,1-dimethylethyl ester (CAS 496961-56-9)
- 1H-Pyrrole-2-carboxylic acid 3-furanylmethyl ester (CAS 119767-00-9)
- 1-(1H-pyrrole-2-carbonyl)pyrrolidine-3-carboxylic acid (CAS 1343751-95-0)
- 1H-Pyrrole-3-propanoic-β-13C acid, 5-formyl-2,4-dimethyl-, methyl ester (CAS 110995-29-4)
- [3-(Pyrrole-1-carbonyl)phenyl]boronic acid (CAS 1232815-56-3)
- 1-Boc-pyrrole-2-boronic acid (CAS 135884-31-0)
- 1H-Pyrrole-2-carboxylic acid, 4-thiocyanato-, methyl ester (CAS 128941-27-5)
- 3-(1H-Pyrrole-2-carboxamido)propanoic acid (CAS 129053-84-5)
Recommended Standards
- O-(2,4-Dinitrophenyl)hydroxylamine (CAS 17508-17-7)
- 2,3-Dihydroxy-4-nitrobenzoic acid (CAS 72517-19-2)
- 2-Hydroxy-3,5-dinitro-4-methylpyridine (CAS 15889-26-6)
- rel-(1R,3S)-1-Amino-3-phosphonocyclopentane-1-carboxylic acid (CAS 103439-17-4)
- tert-Butyl (2R)-2-acetylpyrrolidine-1-carboxylate (CAS 675185-27-0)
- 4-Chloro-6-(2-methylmorpholino)pyrimidin-2-amine (CAS 1119207-53-2)
- Netupitant Impurity 38 (CAS CATO-C4X-122338)
- 3,3,3-Trifluoro-2-(6-methyl-1h-indol-3-yl)propanoic acid (CAS 2197052-76-7)
- (R)-1-(2-chloropyrimidin-5-yl)ethan-1-amine (CAS 1344616-35-8)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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