Methyl 1-phenyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylate CAS 400074-76-2
| CAS No. | 400074-76-2 |
| Molecular Formula | C16H13N3O2 |
| Molecular Weight | 279.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl 1-phenyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylate (CAS 400074-76-2), molecular formula C16H13N3O2 and molecular weight 279.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 1-phenyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylate (C16H13N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 279.29 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Methyl 1-phenyl-3-(pyridin-4-yl)-1H-pyrazole-4-carboxylate 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 | C16H13N3O2 |
| Molecular Weight | 279.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
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