4-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide CAS 56866-88-7
| CAS No. | 56866-88-7 |
| Molecular Formula | C18H16ClN3O2 |
| Molecular Weight | 341.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide (CAS 56866-88-7), molecular formula C18H16ClN3O2 and molecular weight 341.79 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 341.79 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H16ClN3O2 |
| Molecular Weight | 341.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 3-Chloro-N-methyl-N-((3-(p-tolyl)-1,2,4-oxadiazol-5-yl)methyl)benzamide (CAS 896659-80-6)
- 5-(2-Chlorophenyl)-N-(4-ethoxyphenyl)furan-2-carboxamide (CAS 618400-82-1)
- 3-[(E)-[(2Z)-2-Chloro-3-(4-nitrophenyl)prop-2-en-1-ylidene]amino]-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 882750-06-3)
- 5-(2-Chlorophenyl)-N-(4-methoxybenzyl)furan-2-carboxamide (CAS 853330-28-6)
- 4-(Tetrahydrofuran-2-yl)thiazol-2-amine (CAS 1378826-29-9)
- 6-Bromo-2-naphthonitrile (CAS 91065-17-7)
- 3,4-Dichloro-5-(difluoromethoxy)phenol (CAS 1804516-99-1)
- (S)-2-((tert-butoxycarbonyl)amino)-3-(3-methoxyphenyl)propanoic acid (CAS 261360-71-8)
- 5,11-Dihydro-2-hydroxyindolo[3,2-b]carbazole-6-carboxaldehyde (CAS 549548-26-7)
- 6-Hydroxy-2-[(3-nitrophenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 637753-88-9)
- Methyl 3-(2-fluoro-4-hydroxyphenyl)propanoate (CAS 1261763-92-1)
- (5-(2-Aminopropan-2-yl)pyridin-3-yl)boronic acid (CAS 2225177-33-1)
- N-(4-((Difluoromethyl)thio)phenyl)-2-oxo-2H-chromene-3-carboxamide (CAS 578751-68-5)
- Prolactin-Releasing Peptide (1-31) (rat) (CAS 215510-06-8)
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