3-Chloro-5-phenylisothiazole-4-carbonitrile CAS 28989-23-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28989-23-3 |
| Molecular Formula | C10H5ClN2S |
| Molecular Weight | 220.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Chloro-5-phenylisothiazole-4-carbonitrile (CAS 28989-23-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H5ClN2S. Molecular weight: 220.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H5ClN2S |
| Molecular Weight | 220.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-N,N-dimethylpyridine-4-sulfonamide (CAS 1179681-83-4)
- 4-Chloro-6-ethoxy-2-(methylsulfinyl)pyrimidine (CAS 1289386-28-2)
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Recommended Standards
- 3-Amino-4-chloro-N-methylbenzenesulfonamide (CAS 41607-87-8)
- 3-Chloro-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2(7),3,5,10,12-hexaene (CAS 40142-92-5)
- 2-Chlorothiazolo[5,4-f]isoquinoline (CAS 35317-87-4)
- 5-Bromo-4-chloro-1-methylpyridin-2(1H)-one (CAS 1509933-98-5)
- 5-Bromo[1,1-biphenyl]-2-yl 3-piperidinyl etherhydrochloride (CAS 1220030-61-4)
- 1040689-17-5 7906AC C17H21NO N-Benzyl-2-(2,6-dimethylphenoxy)-1-ethanamine (CAS 1040689-17-5)
- 1-25-Dihydroxy-23,23-Difluorovitamin D3 (CAS 98040-59-6)
- 3-Benzothiazol-2-yl-phenylamine (CAS 41230-21-1)
- Clofazimine Impurity 27 (CAS CATO-C4X-207127)
- Cholecystokinin Octapeptide (desulfated) (CAS 25679-24-7)
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