Ethyl 5-(((4-chloro-N-(4-chlorophenyl)phenyl)sulfonamido)methyl)-4,5-dihydroisoxazole-3-carboxylate CAS 306978-11-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 306978-11-0 |
| Molecular Formula | C19H18Cl2N2O5S |
| Molecular Weight | 457.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 5-(((4-chloro-N-(4-chlorophenyl)phenyl)sulfonamido)methyl)-4,5-dihydroisoxazole-3-carboxylate (CAS 306978-11-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H18Cl2N2O5S. Molecular weight: 457.33 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H18Cl2N2O5S |
| Molecular Weight | 457.33 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) | 11.0 |
| 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 Ethyl Standards
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- (E)-(1-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methyl-1H-imidazol-4-yl}ethylidene)amino 4-chlorobenzoate (CAS 306976-45-4)
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Recommended Standards
- Diethyl 5-(3-bromophenyl)-1-(m-tolyl)-1H-pyrazole-3,4-dicarboxylate (CAS 96722-99-5)
- Ethyl 5-(3-(trifluoromethyl)phenoxy)-3-(3-(trifluoromethyl)phenyl)-1,2,4-triazine-6-carboxylate (CAS 338957-80-5)
- 1-(tert-Butyl) 2-(4-methoxybenzyl) 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrole-1,2-dicarboxylate (CAS 2377607-06-0)
- 2-Chloro-7-methyl-6,7-dihydro-5H-cyclopenta[b]pyridine-3-carbonitrile (CAS 1491499-01-4)
- 3-Nitro-p-cresol (CAS 2042-14-0)
- Fluticasone Impurity 63 (CAS CATO-C4X-165063)
- 7-AVCA Impurity 4 (CAS CATO-C4X-23164)
- 7,8-Dimethoxy-3-methyl-5H-indeno[1,2-b]isoxazolo[4,5-e]pyridine-4-carboxylic acid (CAS 1435977-18-6)
- 3-(2-Phenylthiazol-4-yl)benzo[d]isoxazole-5-carboxylic acid (CAS 1422137-07-2)
- Neuropeptide Y, porcine (CAS 82785-45-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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