1-(4-Chlorophenyl)-4-phenylbutane-1,4-dione CAS 60721-33-7
| CAS No. | 60721-33-7 |
| Molecular Formula | C16H13ClO2 |
| Molecular Weight | 272.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Chlorophenyl)-4-phenylbutane-1,4-dione (CAS 60721-33-7), molecular formula C16H13ClO2 and molecular weight 272.73 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(4-Chlorophenyl)-4-phenylbutane-1,4-dione (C16H13ClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 272.73 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-(4-Chlorophenyl)-4-phenylbutane-1,4-dione 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 | C16H13ClO2 |
| Molecular Weight | 272.73 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- (2E)-1-(3-Chlorophenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 1013591-50-8)
- (2E)-3-(4-Chlorophenyl)-1-(2-methoxyphenyl)prop-2-en-1-one (CAS 1029599-29-8)
- (2E)-1-(2-Chlorophenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 1032917-58-0)
- (2-(4-Chlorophenyl)-6-methylimidazo[1,2-a]pyridin-3-yl)methanol (CAS 103844-30-0)
- 3-(4-Chlorophenyl)-1-[(E)-2-phenylethenyl]urea (CAS 1164507-93-0)
- (2E)-3-(2-Chlorophenyl)-1-(3-methoxyphenyl)prop-2-en-1-one (CAS 1196678-99-5)
- 2-(2-Chlorophenyl)-2-[(E)-(phenylmethylidene)amino]acetamide (CAS 1198213-96-5)
- 2-(4-Chlorophenyl)-2,3-dihydro-1H-indene-2-carboxylic acid (CAS 1266693-59-7)
Recommended Standards
- 1-(4-Chlorophenyl)-3-(4-methoxyphenyl)-2-propen-1-one (CAS 6552-63-2)
- 2-(2-Chloro-4-((ethylamino)methyl)-6-methoxyphenoxy)acetamide (CAS 861410-13-1)
- [1-(4-Chlorobenzyl)-1H-benzimidazol-2-yl]methanol (CAS 7187-31-7)
- 2-(4-(6-Chloroimidazo[1,2-a]pyridin-2-yl)phenyl)ethanol (CAS 62705-91-3)
- 2-(1,3-Dioxoisoindolin-2-yl)-N,N-dimethylethane-1-sulfonamide (CAS 81428-07-1)
- (2-Morpholin-4-yl-ethyl)triphenylphosphonium iodide (CAS 1351437-84-7)
- 4-Chloro-3,5-bis(4-chlorophenyl)-1h-pyrazole (CAS 1238384-78-5)
- (2R,3S,5R)-5-(8-([1,1'-Biphenyl]-4-ylamino)-6-amino-9H-purin-9-yl)-2-(hydroxymethyl)tetrahydrofuran-3-ol (CAS 84283-09-0)
- Benzyl 4-((1-(tert-butoxycarbonyl)piperidin-4-yl)methyl)piperazine-1-carboxylate (CAS 775288-80-7)
- 3-Bromo-7-methoxy-1H-indazole (CAS 133841-06-2)
- (2S)-2-methyloxetane (CAS 75492-29-4)
- {2-[(2-azidoethyl)(2-methylpropyl)amino]ethyl}dimethylamine dihydrochloride (CAS 1423024-62-7)
- 2-(1-Methyl-1H-pyrazol-5-yl)acetic acid (CAS 1071814-44-2)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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