3-Acetylthiophene-2-carboxylic acid CAS 13657-90-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13657-90-4 |
| Molecular Formula | C7H6O3S |
| Molecular Weight | 170.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Acetylthiophene-2-carboxylic acid (CAS 13657-90-4) pharmaceutical standards reference standard. Molecular formula: C7H6O3S. Molecular weight: 170.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H6O3S |
| Molecular Weight | 170.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; 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 |
| Sulfur Atoms | 1 |
Related Acetylthiophene Standards
- 4-Acetylthiophene-2-carboxylic acid (CAS 88105-23-1)
- 5-Acetylthiophene-3-carboxylic acid (CAS 33148-86-6)
- 5-Acetylthiophene-2-carboxamide(Arotinolol Impurity 7) (CAS 68257-89-6)
- Methyl 3-acetylthiophene-2-carboxylate (CAS 88105-18-4)
- Methyl 5-acetylthiophene-3-carboxylate (CAS 88770-21-2)
- Methyl 5-acetylthiophene-2-carboxylate(Arotinolol Impurity 6) (CAS 4101-81-9)
- 3-Acetylthiophene-2-carbaldehyde (CAS 16363-90-9)
- 4-Acetylthiophene-2-carbaldehyde (CAS 37815-63-7)
Recommended Standards
- 3-Thioxotetrahydro-1H-pyrrolo[1,2-c]imidazole-1,5(6H)-dione (CAS 13591-06-5)
- 5-Formyl-3-methylthiophene-2-carboxylic acid (CAS 1368183-08-7)
- 3-(Methylthio)pyrazine-2-carboxylic acid (CAS 1341569-95-6)
- 5-iodosalicylic acid (CAS 119-30-2)
- 2-Fluoro-4-methyl-6-nitrobenzyl bromide (CAS 1803787-34-9)
- 2'-Methyl-[1,1'-biphenyl]-3,4'-dicarboxylic acid (CAS 1261910-15-9)
- N-Methyl-9H-pyrido[3,4-b]indole-3-carboxamide (CAS 78538-74-6)
- 6-Methyl-N1-[4-(3-pyridyl)-2-thiazolyl]-1,3-benzenediamine (CAS 660837-08-1)
- Ethyl 1-(4-chlorophenyl)-4-((4-methoxybenzyl)amino)-3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (CAS 866133-73-5)
- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
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