N-(1-(3-Nitrophenyl)-1H-pyrazol-4-yl)-2-phenylacetamide CAS 62537-78-4
| CAS No. | 62537-78-4 |
| Molecular Formula | C17H14N4O3 |
| Molecular Weight | 322.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(1-(3-Nitrophenyl)-1H-pyrazol-4-yl)-2-phenylacetamide (CAS 62537-78-4), molecular formula C17H14N4O3 and molecular weight 322.32 g/mol, is a CATO reference standard with documented purity and traceability.
N-(1-(3-Nitrophenyl)-1H-pyrazol-4-yl)-2-phenylacetamide (C17H14N4O3) 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.
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 | C17H14N4O3 |
| Molecular Weight | 322.32 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 4 |
Related N Standards
- 3-(5-(4-Nitrophenyl)-1,3,4-oxadiazol-2-yl)-2-thioxothiazolidin-4-one (CAS 62329-51-5)
- N-(1-(2-Nitrophenyl)-1H-pyrazol-4-yl)-2-phenylacetamide (CAS 62537-77-3)
- N-(1-(4-Nitrophenyl)-1H-pyrazol-4-yl)-2-phenylacetamide (CAS 62537-79-5)
- 2-(2-(4-Nitrophenyl)oxazol-5-yl)-1-(p-tolyl)ethanone (CAS 919778-73-7)
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Recommended Standards
- Methyl 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-((4-methylpiperazin-1-yl)methyl)-1H-1,2,3-triazole-4-carboxylate (CAS 341501-35-7)
- N-(4-Acetamidophenyl)-4-(1H-tetrazol-1-yl)benzamide (CAS 483976-57-4)
- Ethyl 4-[4-(pyridine-3-carbonyl)-1H-1,2,3-triazol-1-yl]benzoate (CAS 478248-79-2)
- N-Methyl-2-nitro-N-(1-phenyl-1H-pyrazol-5-yl)benzamide (CAS 88277-66-1)
- (7R)-7-Hydroxyhexahydropyrrolo[1,2-a]pyrazine-1,4-dione (CAS 1426945-02-9)
- 2-[(4,6-Dimethylpyrimidin-2-yl)amino]-1,3-thiazole-4-carboxylic acid (CAS 1248908-13-5)
- 2-(3-Butoxyphenyl)quinoline-4-carbohydrazide (CAS 524932-95-4)
- Tert-butyl (R)-2-(3-((3,3,3-trifluoropropyl)sulfonyl)propyl)pyrrolidine-1-carboxylate (CAS 1670273-30-9)
- 4-Fluoro-3-(trifluoromethyl)phenyl isothiocyanate (CAS 302912-43-2)
- 2-Amino-2-deoxy-D-arabinose (CAS 52919-00-3)
- Neodymium(III) perchlorate, 50% aqueous solution (99.9%-Nd) (REO) (CAS 13498-06-1)
- 4-((3-Methylthiophen-2-yl)methylene)-2-phenyloxazol-5(4H)-one (CAS 328548-33-0)
- 1097635-16-9 8646AC C12H18ClNO2 Diethylamino-phenyl-acetic acidhydrochloride (CAS 1097635-16-9)
- 149471-11-4 Neuropeptide DF2 L-Phenylalaninamide, L-alpha-aspartyl-L-arginyl-L-asparaginyl-L-phenylalanyl-L-leucyl-L-arginyl- Asp-arg-asn-phe-leu-arg-phe-NH2 Aspartyl-arginyl-asparaginyl-phenylalanyl-leucyl-arginyl-phenylalaninamide L-alpha-Aspartyl-L-arginyl-L-asparaginyl-L-phenylalanyl-L-leucyl-L-arginyl-L-phenylalaninamide DF(2) Neuropeptide Drnflrfamide (CAS 149471-11-4)
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