2-Acetylthiazole-4-carboxylic acid CAS 13139-47-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13139-47-4 |
| Molecular Formula | C6H5NO3S |
| Molecular Weight | 171.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-Acetylthiazole-4-carboxylic acid (CAS 13139-47-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5NO3S. Molecular weight: 171.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5NO3S |
| Molecular Weight | 171.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Acetylthiazole Standards
Recommended Standards
- 5-Fluoro-2-(2-methoxyethoxy)pyridine (CAS 1305322-91-1)
- 1-hydroxy-6-sulfanylidene-1,6-dihydropyridine-2-carboxylic acid (CAS 131490-25-0)
- [5-(2-fluoroethoxy)pyridin-2-yl]methanol (CAS 1301168-03-5)
- 1-(2-Methylpyridin-4-yl)-1H-pyrazol-4-amine (CAS 1353856-14-0)
- 4-(3-(Trifluoromethoxy)phenyl)-1,2,3,6-tetrahydropyridine (CAS 1211874-90-6)
- Ethyl 2-methyl-4-(4-nitrophenyl)-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate (CAS 313967-69-0)
- Methyl oleanolate acetate (CAS 1721-57-9)
- Methyl 5-amino-2-oxo-6-thioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate (CAS 502184-50-1)
- (3Z)-3-{[(4-phenoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one (CAS 338751-66-9)
- Crustacean Cardioactive Peptide (CAS 107090-96-0)
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