5-Chloro-1H-imidazole-4-carboxamide CAS 36062-68-7
| CAS No. | 36062-68-7 |
| Molecular Formula | C4H4ClN3O |
| Molecular Weight | 145.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Chloro-1H-imidazole-4-carboxamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
5-Chloro-1H-imidazole-4-carboxamide (CAS 36062-68-7), molecular formula C4H4ClN3O and molecular weight 145.55 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-Chloro-1H-imidazole-4-carboxamide (C4H4ClN3O) is characterized by an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C4H4ClN3O |
| Molecular Weight | 145.55 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- Chloridazon-Desphenyl (CAS 6339-19-1)
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- 4-Fluoro-3-pyrrolidinobenzaldehyde (CAS 1197193-31-9)
- 5P495PT4PN 32764-98-0 8-Decen-5-olide Tetrahydro-6-(3-pentenyl)-2H-pyran-2-one 2H-Pyran-2-one, tetrahydro-6-(3-penten-1-yl)- 2H-Pyran-2-one, tetrahydro-6-(3-pentenyl)- EINECS 251-201-7 UNII-5P495PT4PN EC 251-201-7 (CAS 32764-98-0)
- (3,4,5-Trimethoxy-2-nitrophenyl)methanol (CAS 5435-28-9)
- 2,5,7-Trimethyl-1,3-diazaadamantane-2-carboxylic acid (CAS 1018788-77-6)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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