4-(2-chloro-4-fluorosulphonylanilino)-4-oxobut-2-enoic acid CAS 680213-38-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 680213-38-1 |
| Molecular Formula | C10H7ClFNO5S |
| Molecular Weight | 307.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2-chloro-4-fluorosulphonylanilino)-4-oxobut-2-enoic acid (CAS 680213-38-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7ClFNO5S. Molecular weight: 307.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H7ClFNO5S |
| Molecular Weight | 307.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(4-Chlorophenyl)-4-(trifluoromethyl)thiazole-5-carboxylic acid (CAS 187998-87-4)
- 7-(Difluoromethyl)-5-phenylpyrazolo[1,5-a]pyrimidine-3-carbonyl chloride (CAS 861412-81-9)
- Norflurazon-13C,d3 (CAS 1346603-47-1)
- Agomelatine-d4 (CAS 1079389-44-8)
- 2-(3,5-Dichlorophenoxy)-6-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 252060-05-2)
- N-Methyl-bis-heptafluorobutyramide (CAS 73980-71-9)
- 5-Cyclopropoxy-2-ethylnicotinaldehyde (CAS 1243475-37-7)
- 2-((2,3-Dichlorophenyl)thio)-1-(2,7-dimethylimidazo[1,2-a]pyridin-3-yl)ethan-1-one (CAS 478042-04-5)
- Canagliflozin Impurity 106 (CAS CATO-C4X-1123106)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com