3,4-Dichloro-1,2-benzothiazole CAS 19331-16-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19331-16-9 |
| Molecular Formula | C7H3Cl2NS |
| Molecular Weight | 204.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3,4-Dichloro-1,2-benzothiazole (CAS 19331-16-9) pharmaceutical standards reference standard. Molecular formula: C7H3Cl2NS. Molecular weight: 204.08 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H3Cl2NS |
| Molecular Weight | 204.08 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 Dichloro Standards
- 3,6-Dichloro-1,2-benzothiazole (CAS 19331-18-1)
- 1,3-dichloro-5-isothiocyanatobenzene (CAS 6590-93-8)
- 2,6-Dichloro-1,3-benzothiazole (CAS 3622-23-9)
- 2,7-Dichloro-1,3-benzothiazole (CAS 2942-23-6)
- 2,6-Dichloro-4-isopropylaniline (CAS 1428234-45-0)
- 2,3-Dichloro-N-isopropylaniline (CAS 54962-84-4)
- 2,4-Dichloro-N-isopropylaniline (CAS 78235-06-0)
- 2,5-Dichloro-N-isopropylaniline (CAS 54962-85-5)
Recommended Standards
- 6,7-Dichlorobenzo[d]thiazole, 97% (CAS 1695203-36-1)
- 3,5-Dichlorobenzo[d]isothiazole (CAS 19331-17-0)
- 2,4-Dichlorothieno[3,4-b]pyridine (CAS 124555-08-4)
- (2R,4R)-4-((tert-butoxycarbonyl)amino)tetrahydrofuran-2-carboxylic acid (CAS 1304126-31-5)
- 2-(2,3-Dihydrobenzofuran-5-yl)-N-(5-methylisoxazol-3-yl)acetamide (CAS 1363166-39-5)
- 3-Methyl-1-octadecyl-1H-imidazol-3-ium tetrafluoroborate (CAS 244193-65-5)
- Ethyl 2-amino-6-(4-fluorophenyl)-4-methyl-6H-1,3-thiazine-5-carboxylate (CAS 1242262-04-9)
- 8-Methylquinoline-5-carbonyl chloride (CAS 204783-04-0)
- N-(3-Chloro-5-fluorophenyl)-4-nitro-2,1,3-benzoxadiazol-5-amine (CAS 1422955-31-4)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
Why CATO?
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