5-Chlorobenzo[c]isothiazole CAS 20712-05-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20712-05-4 |
| Molecular Formula | C7H4ClNS |
| Molecular Weight | 169.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Chlorobenzo[c]isothiazole (CAS 20712-05-4) pharmaceutical standards reference standard. Molecular formula: C7H4ClNS. Molecular weight: 169.63 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNS |
| Molecular Weight | 169.63 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
- 3-Chlorobenzo[c]isothiazole (CAS 34231-96-4)
- 4-Chlorobenzo[d]isothiazole (CAS 25380-61-4)
- 5-Chlorobenzo[d]isothiazole (CAS 41918-07-4)
- 6-Chlorobenzo[d]isothiazole (CAS 89583-89-1)
- 6-Chlorobenzo[d]thiazole (CAS 2942-10-1)
- 7-Chlorobenzo[d]isothiazole (CAS 89583-90-4)
- 7-Chlorobenzo[d]thiazole (CAS 2942-09-8)
- 3-Chlorobenzo[d]isoxazol-7-ol (CAS 155645-24-2)
Recommended Standards
- 5-Chloro-2-sulfanylbenzonitrile (CAS 38244-31-4)
- 4-Chlorothieno[2,3-c]pyridine (CAS 477874-92-3)
- 5-Chlorobenzothiazole (CAS 2786-51-8)
- (R)-3-Acetoxyquinuclidine (CAS 59653-40-6 (free base))
- N'-(4-Fluorobenzo[d]thiazol-2-yl)-4-methoxybenzohydrazide (CAS 851978-72-8)
- Nefopam impurity 18 (CAS CATO-C4X-283718)
- 2-methyl-1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one (CAS 55457-17-5)
- 1,2,3,4-Tetra-O-acetyl-6-azido-6-deoxy-a-D-glucopyranose (CAS 51642-43-4)
- 5-Hydroxy-4-(thiophen-3-yl)isoquinolin-1(2H)-one (CAS 656234-37-6)
- Semaglutide Impurity 121 X Sodium Salt (CAS CATO-C4X-2226121)
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