5-Chloro-1-methyl-1H-pyrazole-4-sulfonamide CAS 88398-50-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88398-50-9 |
| Molecular Formula | C4H6ClN3O2S |
| Molecular Weight | 195.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-1-methyl-1H-pyrazole-4-sulfonamide (CAS 88398-50-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H6ClN3O2S. Molecular weight: 195.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H6ClN3O2S |
| Molecular Weight | 195.63 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 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 5-Chloro-1-methyl-1h-imidazole-4-sulfonamide (CAS 101258-32-6)
- 3-Chloro-1-methyl-1H-pyrazole-4-sulfonamide (CAS 101457-06-1)
- 3-Chloro-5-(methanesulfonylmethyl)-4h-1,2,4-triazole (CAS 1343395-09-4)
- 2-Chloro-[1,3]thiazolo[4,5-b]pyridine-6-carbonitrile (CAS 1352888-92-6)
- 4-Chloro-1-methyl-1H-pyrazole-3-sulfonamide (CAS 154787-25-4)
- 2-[(2-Chloro-1,3-thiazol-5-yl)methylidene]propanedinitrile (CAS 341967-78-0)
- 3-Chloro-2,5-dimethyl-2H-1,2,4,6-thiatriazine 1,1-dioxide (CAS 85770-03-2)
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Recommended Standards
- 6-Chloro-2-ethyl-4-methyl-2H-pyrazolo[3,4-b]pyridine (CAS 1018048-19-5)
- 6-Chloro-2,3,4-trimethyl-2H-pyrazolo[3,4-b]pyridine (CAS 1018170-62-1)
- (4-Chloro-1-methyl-1H-indazol-3-yl)methanamine (CAS 1033693-10-5)
- (R)-3-Methyl-1,4-diazepan-2-one (CAS 790207-81-7)
- 7-Bromo-3-iodopyrazolo[1,5-a]pyrimidine (CAS 2383001-09-8)
- Ethyl 2-((3-methyl-1-(6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)amino)-2-oxoacetate (CAS 1004254-07-2)
- (3-Fluoro-4-methylfuran-2-yl)(phenyl)methanol (CAS 1341325-22-1)
- Minodronic Acid Impurity 25 (CAS 64951-08-2)
- (E)-3-phenyl-5-(2-((3-(trifluoromethyl)phenyl)amino)vinyl)isoxazole-4-carbonitrile (CAS 303995-73-5)
- Insulin Detemir (CAS 169148-63-4)
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