4-(3,4-Dichlorophenyl)-4-oxo-2-(p-tolyl)butanenitrile CAS 344282-26-4
| CAS No. | 344282-26-4 |
| Molecular Formula | C17H13Cl2NO |
| Molecular Weight | 318.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(3,4-Dichlorophenyl)-4-oxo-2-(p-tolyl)butanenitrile 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-(3,4-Dichlorophenyl)-4-oxo-2-(p-tolyl)butanenitrile (CAS 344282-26-4), molecular formula C17H13Cl2NO and molecular weight 318.20 g/mol, is a CATO reference standard with documented purity and traceability.
4-(3,4-Dichlorophenyl)-4-oxo-2-(p-tolyl)butanenitrile (C17H13Cl2NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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-(3,4-Dichlorophenyl)-4-oxo-2-(p-tolyl)butanenitrile 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 | C17H13Cl2NO |
| Molecular Weight | 318.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorophenyl Standards
- 1-benzyl-4-(3,4-dichlorophenyl)-1H-imidazol-5-amine (CAS 1455381-71-1)
- 1-(2,4-Dichlorophenyl)-3-(2-morpholinoethyl)urea (CAS 712336-31-7)
- 1-(2,4-Dichlorophenyl)-3-(p-tolyl)-1H-pyrazol-5-amine (CAS 956961-77-6)
- 2-(2,4-Dichlorophenyl)-4-(3-methylphenyl)-4-oxobutanenitrile (CAS 344281-28-3)
- 5-((3,4-Dichlorophenyl)amino)-6-hydroxy-2-(methylthio)pyrimidin-4(3H)-one (CAS 91064-37-8)
- Ethyl 2-(2,4-dichlorophenyl)-4-hydroxythiazole-5-carboxylate (CAS 262856-01-9)
- Ethyl 4-(2,4-dichlorophenyl)-2-oxo-2,3-dihydrothiazole-5-carboxylate (CAS 886497-52-5)
- N-(3,4-dichlorophenyl)-2-((1-methyl-1H-tetrazol-5-yl)thio)acetamide (CAS 329078-59-3)
Recommended Standards
- 2-Chloro-5-(dimethylsulfamoyl)benzene-1-sulfonyl chloride (CAS 98491-06-6)
- 4-(4-Chloro-3-methylphenyl)-2-(4-chlorophenyl)-4-oxobutanenitrile (CAS 866051-67-4)
- 2-Boc-5,7-dichloro-6-hydroxy-1,2,3,4-tetrahydroisoquinoline (CAS 851784-76-4)
- 7-Benzyl-1,3-dichloro-5,6,7,8-tetrahydro-2,7-naphthyridine-4-carbonitrile (CAS 372090-70-5)
- 4-(Cyclohexyloxy)pyridin-3-ol (CAS 1243284-57-2)
- Biotin-PEG6-NH-Boc (CAS 1292268-20-2)
- 1-(4-Nitro-2-(trifluoromethyl)phenyl)piperazine (CAS 381242-61-1)
- (2-(1H-Pyrrol-1-yl)thiazol-4-yl)(pyrrolidin-1-yl)methanone (CAS 1235067-32-9)
- tert-Butyl 3-bromo-5,8-dihydro-1,7-naphthyridine-7(6H)-carboxylate (CAS 1823228-83-6)
- tert-Butyl 2-cyano-2-(quinolin-4-yl)acetate (CAS 1951451-78-7)
- 3-((5-Bromopyridin-2-yl)oxy)-N,N-dimethylpropan-1-amine (CAS 1248399-37-2)
- Abiraterone Impurity N2 (CAS 32138-69-5)
- 6-Chloro-7-(4-methoxybenzyl)-7H-purin-2-amine (CAS 203201-78-9)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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