5-Ethynylbenzo[d]thiazole CAS 1158749-23-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1158749-23-5 |
| Molecular Formula | C9H5NS |
| Molecular Weight | 159.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethynylbenzo[d]thiazole (CAS 1158749-23-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H5NS. Molecular weight: 159.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethynylbenzo Standards
- 6-Ethynylbenzo[d]thiazole (CAS 864376-04-5)
- 6-Ethynylbenzo[d]oxazol-2(3H)-one (CAS 1207594-32-8)
- 4-Ethynylbenzo[c][1,2,5]thiadiazole (CAS 944245-18-5)
- 5-Ethynylbenzo[b]thiophene (CAS 1374563-50-4)
- 2-Ethynylbenzo[b]thiophene (CAS 141580-93-0)
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- 3-Ethynylbenzo[b]thiophene (CAS 569353-00-0)
Recommended Standards
- 2-{[(1,2-oxazol-5-yl)methyl]sulfanyl}ethan-1-ol (CAS 1157110-13-8)
- 3-(2-Methoxyethyl)-1,2,4-thiadiazol-5-amine (CAS 1191998-54-5)
- 5-Mercapto-4-propyl-4H-[1,2,4]triazol-3-ol (CAS 114252-51-6)
- Phosphoric acid, polymer with 2-methyloxirane and 4,5,6,7-tetrachloro-1,3-isobenzofurandione (CAS 71002-39-6)
- 4-phenyl-3-butyn-2-one (CAS 1817-57-8)
- Benzyl 2-((chlorosulfonyl)methyl)piperidine-1-carboxylate (CAS 1355455-44-5)
- 4-(5-Fluoro-2-pyridinyl)benzenemethanol (CAS 1257426-54-2)
- 5-(4-Nitrophenyl)-2-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 1000575-74-5)
- Eletriptan Impurity 1 (CAS 6163-58-2)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com