4-(4-Chlorophenyl)-2-(4-methylphenyl)-4-oxobutanoic acid CAS 70596-90-6
| CAS No. | 70596-90-6 |
| Molecular Formula | C17H15ClO3 |
| Molecular Weight | 302.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(4-Chlorophenyl)-2-(4-methylphenyl)-4-oxobutanoic acid.
4-(4-Chlorophenyl)-2-(4-methylphenyl)-4-oxobutanoic acid (CAS 70596-90-6), molecular formula C17H15ClO3 and molecular weight 302.75 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, a hydroxyl group, an ether linkage, chlorine substitution, 4-(4-Chlorophenyl)-2-(4-methylphenyl)-4-oxobutanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 302.75 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(4-Chlorophenyl)-2-(4-methylphenyl)-4-oxobutanoic 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 | C17H15ClO3 |
| Molecular Weight | 302.75 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 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.) | 1977 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- (2E)-3-(2-Chlorophenyl)-1-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 1064057-84-6)
- (Z)-3-(4-chlorophenyl)-3-(4-ethoxyphenyl)acrylic acid (CAS 1226485-83-1)
- (2E)-3-(4-Chlorophenyl)-1-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1345675-59-3)
- (2E)-1-(2-Chlorophenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one (CAS 1352347-01-3)
- (2E)-1-(2-Chlorophenyl)-3-(2,3-dimethoxyphenyl)prop-2-en-1-one (CAS 1354941-45-9)
- (2E)-1-(3-Chlorophenyl)-3-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1354941-49-3)
- Methyl 2-(4-chlorophenyl)-4-oxo-4-phenylbutanoate (CAS 1383253-45-9)
- (2E)-3-(3-Chlorophenyl)-1-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 1482338-71-5)
Recommended Standards
- 4-((4-Chlorophenyl)sulfonyl)thiophene-3-carboxylic acid (CAS 423769-77-1)
- Methyl 2-(3-chlorophenyl)-4-oxo-4-phenylbutanoate (CAS 344280-08-6)
- 3-(2-Chlorophenyl)-4,6-dimethoxy-2-methylbenzofuran (CAS 922140-93-0)
- Windorphen (CAS 19881-70-0)
- 4-((6-Fluoroquinolin-4-yl)amino)benzonitrile (CAS 1018045-41-4)
- 4-Methyl-3-(methylthio)benzaldehyde (CAS 315188-40-0)
- 8-(Bromomethyl)-6-fluoroquinoline (CAS 926262-79-5)
- 2,3-Difluorobiphenyl (CAS 67277-32-1)
- 5-Ethynyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 905581-05-7)
- Prilocaine Impurity 15 (CAS 5602-96-0)
- 2-((4,5-Dimethylfuran-2-yl)methyl)-2,8-diazaspiro[4.5]decane (CAS 1309284-02-3)
- 3,5-Dioxo-1,2,4-triazolidine-1-carboxamide (CAS 88947-34-6)
- 3-(4-Fluorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 522615-28-7)
- Semaglutide impurity 237 (CAS CATO-C4X-2226237)
Why CATO?
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