2-Ethynyl-1,3-benzothiazole CAS 40176-80-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40176-80-5 |
| Molecular Formula | C9H5NS |
| Molecular Weight | 159.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethynyl-1,3-benzothiazole (CAS 40176-80-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5NS. Molecular weight: 159.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5NS |
| Molecular Weight | 159.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- 2-(4-Chlorophenyl)-6,8-dimethyl-4H-benzo[d][1,3]oxazin-4-one (CAS 301193-60-2)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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