(E)-2-((4-chlorobenzyl)thio)quinoline-3-carbaldehyde O-(3,4-dichlorobenzoyl) oxime CAS 478065-79-1
| CAS No. | 478065-79-1 |
| Molecular Formula | C24H15Cl3N2O2S |
| Molecular Weight | 501.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-2-((4-chlorobenzyl)thio)quinoline-3-carbaldehyde O-(3,4-dichlorobenzoyl) oxime 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.
(E)-2-((4-chlorobenzyl)thio)quinoline-3-carbaldehyde O-(3,4-dichlorobenzoyl) oxime (CAS 478065-79-1), molecular formula C24H15Cl3N2O2S and molecular weight 501.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H15Cl3N2O2S, (E)-2-((4-chlorobenzyl)thio)quinoline-3-carbaldehyde O-(3,4-dichlorobenzoyl) oxime contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 501.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C24H15Cl3N2O2S |
| Molecular Weight | 501.81 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related E Standards
- (E)-2-((4-chlorobenzyl)thio)quinoline-3-carbaldehyde O-(3-(trifluoromethyl)benzoyl) oxime (CAS 866049-68-5)
- 4-chlorobenzyl 2-[2-(2,3,3-trichloroacryloyl)hydrazino]-4-(trifluoromethyl)pyrimidine-5-carboxylate (CAS 648859-35-2)
- 4-(((4-Chlorobenzyl)thio)methyl)-6-((2,6-dichlorophenyl)thio)-2-(pyridin-2-yl)pyrimidine (CAS 338961-03-8)
- 4-[(4-Chlorobenzyl)oxy]-3,5-diiodobenzaldehyde (CAS 384857-14-1)
- 5-((3-Chlorobenzyl)thio)-3-(cyclohexylmethyl)-8,9-dimethoxyimidazo[1,2-c]quinazolin-2(3H)-one (CAS 1024017-13-7)
- 5-((4-Chlorobenzyl)thio)-3-(cyclohexylmethyl)-8,9-dimethoxyimidazo[1,2-c]quinazolin-2(3H)-one (CAS 1024018-78-7)
- 5-((4-Chlorobenzyl)thio)-4-(((2,4-dichlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole (CAS 318959-32-9)
- 3-(((4-Chlorobenzyl)thio)methyl)-4-phenyl-5-((4-(trifluoromethyl)benzyl)thio)-4H-1,2,4-triazole (CAS 344269-28-9)
Recommended Standards
- 5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-N-{[(4-nitrophenyl)carbamoyl]amino}-4,5-dihydro-1,2-oxazole-3-carboxamide (CAS 338399-54-5)
- Ethyl 2-((7-chloro-3-(2,4-dichloro-5-isopropoxyphenyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetate (CAS 339099-23-9)
- (2Z)-2-[(3-Bromophenyl)methylidene]-7-(4-chlorophenoxy)-3-phenyl-2,3-dihydro-1H-inden-1-one (CAS 337921-37-6)
- Afoxolaner Impurity 20 (CAS 1125812-60-3)
- 3-amino-1H-indazol-5-ol (CAS 88805-70-3)
- Octahydro-1H-pyrrolo[3,4-b]pyridin-2-one (CAS 1536332-66-7)
- 2-Amino-7-propyl-1H-purin-6(7H)-one (CAS 33016-34-1)
- Methyl 4-(5-chloro-2-nitrophenyl)-3-oxobutanoate (CAS 2355306-32-8)
- Racecadotril Impurity 19 (CAS CATO-C4X-110619)
- 2,4-Dinitrobenzenesulfonamide (CAS 73901-01-6)
- tert-butyl N-{4-[2-(trimethylsilyl)ethynyl]phenyl}carbamate (CAS 317842-68-5)
- Isavuconazole Impurity 111 Sodium Salt (CAS CATO-C4X-1236111)
- 3-[(2E)-3-(4-Chlorophenyl)prop-2-enoyl]-4-hydroxy-6-methyl-2H-pyran-2-one (CAS 14073-08-6)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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