(E)-2-((2-chlorophenyl)thio)nicotinaldehyde O-(2,4-dichlorobenzyl) oxime CAS 478031-12-8
| CAS No. | 478031-12-8 |
| Molecular Formula | C19H13Cl3N2OS |
| Molecular Weight | 423.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, (E)-2-((2-chlorophenyl)thio)nicotinaldehyde O-(2,4-dichlorobenzyl) oxime is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 423.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
(E)-2-((2-chlorophenyl)thio)nicotinaldehyde O-(2,4-dichlorobenzyl) oxime (CAS 478031-12-8) is a high-purity analytical reference standard with the molecular formula C19H13Cl3N2OS and a molecular weight of 423.74 g/mol.
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), (E)-2-((2-chlorophenyl)thio)nicotinaldehyde O-(2,4-dichlorobenzyl) 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.
Physical & Chemical Properties
| Molecular Formula | C19H13Cl3N2OS |
| Molecular Weight | 423.74 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| 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-chlorophenyl)sulfanyl]pyridin-3-yl}methylidene)[(2,4-dichlorophenyl)methoxy]amine (CAS 478030-98-7)
- (E)-({6-[(2-chlorophenyl)sulfanyl]pyridin-3-yl}methylidene)[(2,4-dichlorophenyl)methoxy]amine (CAS 339014-88-9)
- (E)-({6-[(4-chlorophenyl)sulfanyl]pyridin-3-yl}methylidene)[(2,4-dichlorophenyl)methoxy]amine (CAS 338966-94-2)
- (E)-1-(2-(4-chlorophenyl)-4-methylthiazol-5-yl)-3-((2,4-dichlorophenyl)amino)prop-2-en-1-one (CAS 478064-91-4)
- (E)-2-((4-chlorophenyl)thio)nicotinaldehyde O-(3,4-dichlorobenzyl) oxime (CAS 478030-99-8)
- Methyl 3-(2-((4-chlorophenyl)sulfonamido)phenoxy)thiophene-2-carboxylate (CAS 900018-88-4)
- Methyl 3-(4-((4-chlorophenyl)sulfonamido)phenoxy)thiophene-2-carboxylate (CAS 900015-21-6)
- 4-(3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-N,N-bis(2-hydroxyethyl)benzenesulfonamide (CAS 293326-14-4)
Recommended Standards
- (+)-Oxychlordane (CAS 155681-22-4)
- Ethyl 2-[(1-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methylhydrazin-1-ylidene}-2,2,2-trifluoroethyl)sulfanyl]acetate (CAS 1823194-76-8)
- 1,3,5-Trioctyl-1,3,5-triazinane (CAS 94279-01-3)
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- Ethyl 6-chloro-3-ethoxypyridazine-4-carboxylate (CAS 1955539-71-5)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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