5-(Pyridin-3-yl)-1H-pyrazole-3-carboxamide CAS 287494-01-3
| CAS No. | 287494-01-3 |
| Molecular Formula | C9H8N4O |
| Molecular Weight | 188.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H8N4O, 5-(Pyridin-3-yl)-1H-pyrazole-3-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
5-(Pyridin-3-yl)-1H-pyrazole-3-carboxamide (CAS 287494-01-3), molecular formula C9H8N4O and molecular weight 188.19 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 5-(Pyridin-3-yl)-1H-pyrazole-3-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.
Physical & Chemical Properties
| Molecular Formula | C9H8N4O |
| Molecular Weight | 188.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Pyridin Standards
- 1-(Pyridin-3-yl)-1H-imidazole-4-carboxamide (CAS 1427019-83-7)
- 6-(Pyridin-3-yl)-1,3,5-triazine-2,4-diamine (CAS 18020-61-6)
- 1-[(pyridin-3-yl)methyl]-1h-1,2,3-triazole-4-carbaldehyde (CAS 915370-10-4)
- 6-(Pyridin-2-yl)-1,3,5-triazine-2,4-diamine (CAS 25007-79-8)
- 6-(Pyridin-4-yl)-1,3,5-triazine-2,4-diamine (CAS 33237-20-6)
- 4-(Pyridin-2-yl)-1H-pyrrole-3-carboxylic acid (CAS 1096815-73-4)
- 1-(3-(Pyridin-4-yl)isoxazol-5-yl)ethanone (CAS 1267001-51-3)
- 4-(Pyridin-4-yl)-1H-pyrrole-3-carboxylic acid (CAS 197774-71-3)
Recommended Standards
- 4-Methyl-5-(4-pyridinyl)-4H-1,2,4-triazole-3-carboxaldehyde (CAS 865610-94-2)
- 5-Amino-1-phenyl-1H-1,2,3-triazole-4-carbaldehyde (CAS 73112-03-5)
- 4-Isopropylbenzotrifluoride (CAS 32445-99-1)
- 4-Aminocinnoline-3-carboxamide (CAS 38024-35-0)
- cis-Cyhalothric acid (CAS 68127-59-3)
- 4'-carboethoxy-3-(3-methoxyphenyl)propiophenone (CAS 898774-84-0)
- n-Heptyl-5,5,6,6,7,7,7-d7 Alcohol (CAS 1219804-99-5)
- Perospirone Impurity 7 (CAS CATO-C4X-24587)
- n-{2-[(2-aminophenyl)formamido]ethyl}acetamide (CAS 1155984-88-5)
- 3-(Tert-butyl)-8b-hydroxy-3a,8b-dihydro-4H-indeno[2,1-d]isoxazol-4-one (CAS 87206-95-9)
- 8-chloro-1,7-naphthyridine (CAS 13058-77-0)
- N-(4-fluorophenyl)-2-((4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetamide (CAS 569315-86-2)
- 1-(1-(2,2,2-Trifluoroethyl)-1H-pyrazol-4-yl)-1H-pyrrole-2,5-dione (CAS 1351386-58-7)
- Hexapeptide-9 (CAS 885024-94-2)
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