5-Acetyl-2-amino-4-methylthiophene-3-carboxylic acid CAS 893644-86-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 893644-86-5 |
| Molecular Formula | C8H9NO3S |
| Molecular Weight | 199.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Acetyl-2-amino-4-methylthiophene-3-carboxylic acid (CAS 893644-86-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H9NO3S. Molecular weight: 199.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H9NO3S |
| Molecular Weight | 199.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Acetamido-3-methylthiophene-2-carboxylic acid (CAS 926270-99-7)
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- Carteolol EP Impurity I (CAS 2748462-62-4)
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