(E)-[(5-{[2-(methoxycarbonyl)phenyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino 2,4-dichlorobenzoate CAS 318238-33-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318238-33-4 |
| Molecular Formula | C21H14Cl2F3N3O4S |
| Molecular Weight | 532.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-[(5-{[2-(methoxycarbonyl)phenyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino 2,4-dichlorobenzoate (CAS 318238-33-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H14Cl2F3N3O4S. Molecular weight: 532.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H14Cl2F3N3O4S |
| Molecular Weight | 532.32 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Fluralaner Impurity 58 (CAS CATO-C4X-218058)
- GSK805 (CAS 1426802-50-7)
- 4-Bromo-N-[(5-{[(4-bromophenyl)methyl]sulfanyl}-4-methyl-4H-1,2,4-triazol-3-yl)methyl]benzene-1-sulfonamide (CAS 338421-61-7)
- 2-[(4-Amino-phenyl)-(2-hydroxy-ethyl)-amino]-ethanol dihydrochloride 74032-76-1 (CAS 74032-76-1)
- (5-(4-Ethoxyphenyl)-1H-pyrazol-3-yl)(piperidin-1-yl)methanone (CAS 1093657-24-9)
- 3-Formylbenzenesulfonamide (CAS 1778-37-6)
- 5-Hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid (CAS 117229-60-4)
- 5-Bromo-1-tert-butyl-6-fluorobenzoimidazole (CAS 1187385-67-6)
- 6-Chloro-4-(3-methylbut-1-yn-1-yl)-4-(trifluoromethyl)-3,4-dihydroquinazolin-2(1H)-one (CAS 214287-63-5)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
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