3-(2-Chloro-6-fluorophenyl)-N-(((4-chlorophenyl)carbamoyl)carbamothioyl)-5-methylisoxazole-4-carboxamide CAS 303998-81-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303998-81-4 |
| Molecular Formula | C19H13Cl2FN4O3S |
| Molecular Weight | 467.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2-Chloro-6-fluorophenyl)-N-(((4-chlorophenyl)carbamoyl)carbamothioyl)-5-methylisoxazole-4-carboxamide (CAS 303998-81-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H13Cl2FN4O3S. Molecular weight: 467.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H13Cl2FN4O3S |
| Molecular Weight | 467.30 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 | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 5-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)-N-(4-chlorophenyl)thiophene-2-sulfonamide (CAS 306976-60-3)
- 3-Chloro-2-[(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)methyl]-5-(trifluoromethyl)pyridine (CAS 338410-46-1)
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Recommended Standards
- N-(5-cyano-2-((2,6-dichlorophenyl)thio)phenyl)-3-(trifluoromethyl)benzamide (CAS 303147-52-6)
- 1-(2,3-Dibromopropyl)-2,3,5,6-tetrafluoro-4-(trichloromethyl)benzene (CAS 1244856-09-4)
- N-(3,5-dichlorophenyl)-1-((3-(trifluoromethyl)phenyl)sulfonyl)pyrrolidine-2-carboxamide (CAS 317822-01-8)
- 4'-(Hydroxymethyl)-[1,1'-biphenyl]-2-ol (CAS 1255638-72-2)
- (2S)-2-amino-3-(3-ethylphenyl)propanoic acid (CAS 1269902-53-5)
- {4-[(4-chlorophenyl)methoxy]-3-methylphenyl}boronic acid (CAS 475652-18-7)
- (3-amino-1-isopropyl-1H-pyrazol-5-yl)methanol (CAS 1245773-09-4)
- 6-Bromo-2,3-dihydro-1H-indene-1-carboxylic acid (CAS 52651-16-8)
- 2-(1-((3-Amino-4-bromo-1h-pyrazol-1-yl)methyl)cyclopropyl)acetonitrile (CAS 1494097-03-8)
- Sperm Activating Peptide, Sea Urchin (CAS 140653-27-6)
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