5-Methylthiazole-4-carboxylic acid CAS 120237-76-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 120237-76-5 |
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methylthiazole-4-carboxylic acid (CAS 120237-76-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H5NO2S. Molecular weight: 143.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthiazole Standards
- 4-Methylthiazole-2-carboxylic Acid (CAS 14542-16-6)
- 2-Methylthiazole-5-carboxylic Acid (CAS 40004-69-1)
- 4-Methylthiazole-5-carboxylic Acid (CAS 20485-41-0)
- 5-Methylthiazole-2-carboxylic Acid (CAS 61291-21-2)
- Methylthiazole-4-carboxylate (CAS 59418-09-6)
- 5-Methylthiazole-4-carboxamide (CAS 1259058-14-4)
- 2-Methylthiazole-4-carboxamide (CAS 31825-95-3)
- 2-Methylthiazole-5-carboxamide (CAS 99979-78-9)
Recommended Standards
- p-fluorophenyl isocyanate (CAS 1195-45-5)
- 3-Methyl-2-oxo-2,3-dihydrothiazole-5-carbaldehyde (CAS 1211513-62-0)
- 5-Aminothiophene-3-carboxylic acid (CAS 116539-01-6)
- (4-(1-Methyl-1H-imidazol-2-yl)phenyl)boronic acid (CAS 1310383-27-7)
- Ethyl 2-(2-bromophenyl)-5-methylpyrazole-3-carboxylate (CAS 1448684-44-3)
- 6-(1,1-Difluoroethyl)pyridine-2-carboxylic acid (CAS 1211529-86-0)
- 7-Bromo-11,11-difluoro-2-methoxy-10,11-dihydrobenzo[6,7]oxepino[3,2-b]pyridine (CAS 2181835-00-5)
- Ethyl 3-cyano-3-methyl-2-oxopropanoate (CAS 524729-53-1)
- N-(2-Aminobenzo[d]thiazol-6-yl)-2-(2,4-dichloro-6-methylphenoxy)acetamide (CAS 1706452-23-4)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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