5-Amino-1H-pyrazole-3-carboxamide hydrochloride CAS 1263987-04-7
| CAS No. | 1263987-04-7 |
| Molecular Formula | C4H6N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Amino-1H-pyrazole-3-carboxamide hydrochloride.
CATO supplies 5-Amino-1H-pyrazole-3-carboxamide hydrochloride (CAS 1263987-04-7), a certified reference material (molecular formula C4H6N4OHCl, MW 162.58 g/mol) for analytical method development and quality control.
5-Amino-1H-pyrazole-3-carboxamide hydrochloride (C4H6N4OHCl) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), 5-Amino-1H-pyrazole-3-carboxamide hydrochloride 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.
Physical & Chemical Properties
| Molecular Formula | C4H6N4O HCl |
| Molecular Weight | 162.58 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- Fodosine Hydrochloride (CAS 284490-13-7)
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- 2-Acetamido-5-mercapto-1,3,4-thiadiazole-D3 (CAS 1246816-83-0)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
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