5-amino-N-methyl-1H-pyrazole-3-carboxamide CAS 1219743-33-5
| CAS No. | 1219743-33-5 |
| Molecular Formula | C5H8N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-amino-N-methyl-1H-pyrazole-3-carboxamide is closely related to an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-amino-N-methyl-1H-pyrazole-3-carboxamide (CAS 1219743-33-5) is a high-purity analytical reference standard with the molecular formula C5H8N4OHCl and a molecular weight of 176.60 g/mol.
Structurally, 5-amino-N-methyl-1H-pyrazole-3-carboxamide (C5H8N4OHCl) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 176.60 g/mol, it falls into the medium-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H8N4O HCl |
| Molecular Weight | 176.60 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
- 5-Cyclopropyl-4-iodo-1-methyl-1H-pyrazol-3-amine (CAS 1354706-78-7)
- 2-Chloro-3-nitroaniline (CAS 3970-41-0)
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- Perfluorophenyl N-(((9H-fluoren-9-yl)methoxy)carbonyl)-S-(acetamidomethyl)-L-cysteinate (CAS 86060-96-0)
- E4CPG (CAS 170846-89-6)
- (2-((tert-Butoxycarbonyl)amino)-5-chloropyridin-4-yl)boronic acid (CAS 1222522-36-2)
- 3-Methoxy-N-(2-methoxy-2-(thiophen-3-yl)ethyl)-1-methyl-1H-pyrazole-4-carboxamide (CAS 1705761-96-1)
- 2,2-Diphenyl-N-((5-(thiophen-2-yl)isoxazol-3-yl)methyl)acetamide (CAS 952996-96-2)
- 2-(5-Nitropyridin-2-yl)ethanamine (CAS 503540-39-4)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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