5-(1,3-Dimethyl-1h-pyrazol-4-yl)isoxazole-4-sulfonyl chloride CAS 1005632-94-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1005632-94-9 |
| Molecular Formula | C8H8ClN3O3S |
| Molecular Weight | 261.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(1,3-Dimethyl-1h-pyrazol-4-yl)isoxazole-4-sulfonyl chloride (CAS 1005632-94-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H8ClN3O3S. Molecular weight: 261.69 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H8ClN3O3S |
| Molecular Weight | 261.69 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 |
| 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.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-Chloro-2-(4-fluorophenyl)-8-methylimidazo[1,2-b]pyridazine (CAS 1228217-15-9)
- 7-Chloro-N,N-dimethylbenzo[c][1,2,5]oxadiazole-4-sulfonamide (CAS 192119-42-9)
- 8-Chloro-6-(difluoromethyl)-2-(methylthio)pyrido[3,4-d]pyrimidine (CAS 2761028-19-5)
- (R)-(+)-N-Benzyl-alpha-methylbenzylamine Hydrochloride (CAS 128593-66-8)
- 8-(Benzyloxy)-1-hydrazinyl-[1,2,4]triazino[4,5-a]indole (CAS 91999-85-8)
- 2,2-Dimethyl-3-(4-(trifluoromethyl)phenyl)propan-1-ol (CAS 14248-28-3)
- 2-(Trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine Hydrochloride (CAS 2031269-41-5)
- (4E)-3-(Chloromethyl)-4-[(5-methyl-2-furyl)-methylene]isoxazol-5(4H)-one (CAS 1142199-65-2)
- N-Benzyl-4-chloro-2-nitrobenzamide (CAS 120275-84-5)
- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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