5-Chlorobenzo[c][1,2,5]oxadiazole-4-sulfonamide CAS 1081142-40-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1081142-40-6 |
| Molecular Formula | C6H4ClN3O3S |
| Molecular Weight | 233.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chlorobenzo[c][1,2,5]oxadiazole-4-sulfonamide (CAS 1081142-40-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4ClN3O3S. Molecular weight: 233.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4ClN3O3S |
| Molecular Weight | 233.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
- 2-Chlorobenzo[d]oxazole-5-sulfonamide (CAS 1001417-15-7)
- 2-Chlorobenzo[d]oxazole-6-sulfonamide (CAS 1803803-47-5)
- 4-Chlorobenzo[d]oxazole-2-sulfonamide (CAS 1803876-66-5)
- 2-Chlorobenzo[d]oxazole-7-sulfonamide (CAS 928197-31-3)
- 7-Chlorobenzo[c][1,2,5]oxadiazole-4-sulfonic acid (CAS 81377-20-0)
- 5-Chlorobenzo[b]phosphindole (CAS 33300-85-5)
- 1-Chlorobenzo[c][1,8]naphthyridin-6(5H)-one (CAS 1186375-15-4)
- 2-(7-Chlorobenzo[d][1,3]dioxol-5-yl)-2-hydroxyacetic acid (CAS 1248448-40-9)
Recommended Standards
- 2-(4-Chloro-3-fluorophenyl)pyrimidine-5-carbonitrile (CAS 1027656-45-6)
- 2,6-Diformylpyridine-4-sulfonyl chloride (CAS 1393541-11-1)
- Ethyl 4-chloro-5-fluoro-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate (CAS 914358-80-8)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)benzenesulfonamide (CAS 1427460-72-7)
- Cyclopropyl-2,2,3,3-d4-methyl-d2 Alcohol (CAS 1219805-67-0)
- 2,5-Diamino-4-(difluoromethyl)pyridine-3-sulfonamide (CAS 1806869-22-6)
- 2-(P-tolyl)cyclohexan-1-ol (CAS 21666-91-1)
- tert-Butyl (S)-((1-benzylpyrrolidin-3-yl)methyl)carbamate (CAS 303111-41-3)
- n-(Naphthalen-1-yl)-4-(p-tolyl)thiazol-2-amine (CAS 301236-29-3)
- Insulin Degludec Impurity 26 (CAS CATO-C4X-215726)
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