4-amino-1H-imidazole-5-carboxamide hydrochloride（1:x) CAS 21299-72-9
| CAS No. | 21299-72-9 |
| Molecular Formula | C4H6N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-amino-1H-imidazole-5-carboxamide hydrochloride（1:x) (CAS 21299-72-9) is a high-purity analytical reference standard with the molecular formula C4H6N4OHClN and a molecular weight of 176.58 g/mol.
Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-amino-1H-imidazole-5-carboxamide hydrochloride（1:x) is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 176.58 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-amino-1H-imidazole-5-carboxamide hydrochloride（1:x) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H6N4O HCl N |
| Molecular Weight | 176.58 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
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- Methyl 2-amino-4-fluoro-6-methylbenzoate (CAS 2091781-95-0)
- Methyl (3S)-3-amino-3-(3-chlorophenyl)propanoate hydrochloride (CAS 1245606-65-8)
- Semaglutide Sodium Salt (CAS CATO-C4X-222620)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com