4-Chlorothiazole-2-sulfonamide CAS 89501-94-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89501-94-0 |
| Molecular Formula | C3H3ClN2O2S2 |
| Molecular Weight | 198.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chlorothiazole-2-sulfonamide (CAS 89501-94-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C3H3ClN2O2S2. Molecular weight: 198.65 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C3H3ClN2O2S2 |
| Molecular Weight | 198.65 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 | 2 |
| Sulfur Atoms | 2 |
Related Chlorothiazole Standards
- Ethyl 2-Chlorothiazole-4-carboxylate (CAS 41731-52-6)
- Ethyl 2-Chlorothiazole-5-carboxylate (CAS 81449-93-6)
- Ethyl 4-chlorothiazole-5-carboxylate (CAS 444909-55-1)
- Ethyl 5-chlorothiazole-4-carboxylate (CAS 425392-45-6)
- 4-Chlorothiazole-5-carbonyl chloride (CAS 1133931-01-7)
- 2-Chlorothiazole-5-sulfonyl chloride (CAS 88917-11-7)
- 4-Chlorothiazole-2-sulfonyl chloride (CAS 89501-96-2)
- 5-Chlorothiazole-2-sulfonyl chloride (CAS 959997-70-7)
Recommended Standards
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- 5-Chloro-N-(5-methylisoxazol-3-yl)-2-(methylthio)pyrimidine-4-carboxamide (CAS 898646-97-4)
- 1-o-octadecyl-2-hydroxy-sn-glycero-3-phosphate ammonium salt 799279-67-7 (CAS 799279-67-7)
- 4-Phenyl-1,3-thiazol-5-amine (CAS 412311-69-4)
- N,N-dimethyl-4-(((4-nitrophenyl)imino)methyl)aniline (CAS 896-05-9)
- 2-Bromo-6-chloroisonicotinic acid (CAS 1060811-26-8)
- Ethyl 2-ethyl-1,6-dioxaspiro[2.6]nonane-2-carboxylate (CAS 1544847-49-5)
- Xenopsin-Related Peptide 2 (XP-2) (H-9340.0005) (CAS 117442-29-2)
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