2-((1-Phenyl-4,5-dihydro-1H-pyrazol-3-yl)carbamoyl)benzoic acid CAS 304661-57-2
| CAS No. | 304661-57-2 |
| Molecular Formula | C17H15N3O3 |
| Molecular Weight | 309.32 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.
2-((1-Phenyl-4,5-dihydro-1H-pyrazol-3-yl)carbamoyl)benzoic acid (CAS 304661-57-2), molecular formula C17H15N3O3 and molecular weight 309.32 g/mol, is a CATO reference standard with documented purity and traceability.
2-((1-Phenyl-4,5-dihydro-1H-pyrazol-3-yl)carbamoyl)benzoic acid (C17H15N3O3) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-((1-Phenyl-4,5-dihydro-1H-pyrazol-3-yl)carbamoyl)benzoic acid 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 | C17H15N3O3 |
| Molecular Weight | 309.32 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Phenyl Standards
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Recommended Standards
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- Ethyl (3-(4-phenylpiperazin-1-yl)propyl)carbamate (CAS 18328-20-6)
- 1-(6-Bromopyridin-3-yl)ethan-1-amine (CAS 1060811-56-4)
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- (R)-2-(3-(dimethylamino)piperidin-1-yl)acetic acid (CAS 1353995-04-6)
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- D-Ile12-Tirzepatide (CAS CATO-CPTD788921)
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