5-Methyl-1-phenyl-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-1H-pyrazole-4-carboxamide CAS 1207026-92-3
| CAS No. | 1207026-92-3 |
| Molecular Formula | C20H17N5O2 |
| Molecular Weight | 359.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Methyl-1-phenyl-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-1H-pyrazole-4-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.
5-Methyl-1-phenyl-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-1H-pyrazole-4-carboxamide (CAS 1207026-92-3) is a high-purity analytical reference standard with the molecular formula C20H17N5O2 and a molecular weight of 359.38 g/mol.
5-Methyl-1-phenyl-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-1H-pyrazole-4-carboxamide (C20H17N5O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
Physical & Chemical Properties
| Molecular Formula | C20H17N5O2 |
| Molecular Weight | 359.38 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 5 |
Recommended Standards
- 2-(4-Methyl-6-oxo-1,3-diphenyl-1,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)acetic acid (CAS 1172810-92-2)
- 2-(2-((tert-Butoxycarbonyl)(cyclopropylmethyl)amino)pyridin-4-yl)oxazole-4-carboxylic acid (CAS 1287670-29-4)
- Methyl 5-benzyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxylate (CAS 1152430-05-1)
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