4-benzoyl-2-(4-chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one CAS 125670-60-2
| CAS No. | 125670-60-2 |
| Molecular Formula | C17H13ClN2O2 |
| Molecular Weight | 312.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-benzoyl-2-(4-chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS 125670-60-2), molecular formula C17H13ClN2O2 and molecular weight 312.75 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-benzoyl-2-(4-chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (C17H13ClN2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 312.75 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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-benzoyl-2-(4-chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one 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 | C17H13ClN2O2 |
| Molecular Weight | 312.75 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.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 1365963-83-2 N-(4-Chlorophenyl)-2-[4-(2-hydroxyethyl)-3-oxomorpholin-2-yl]acetamide MFCD22056571 (CAS 1365963-83-2)
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