4-Methylthiazole-5-carboxylic Acid CAS 20485-41-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20485-41-0 |
| Molecular Formula | C5H5NO2S |
| Molecular Weight | 143.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methylthiazole-5-carboxylic Acid (CAS 20485-41-0) 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.) | 1962 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthiazole Standards
- 5-Methylthiazole-4-carboxylic acid (CAS 120237-76-5)
- 4-Methylthiazole-2-carboxylic Acid (CAS 14542-16-6)
- 2-Methylthiazole-5-carboxylic Acid (CAS 40004-69-1)
- 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
- 4-MEthyl-2-nitrothiophene (CAS 344591-56-6)
- 5-Aminothiophene-2-carboxylic acid (CAS 204068-72-4)
- 4-Hydroxy-3-isothiocyanatobutyric acid lactone (CAS 61315-63-7)
- 4-Chloro-1-cyclopropoxy-2-nitrobenzene (CAS 1243470-90-7)
- methyl 6-bromo-2-methyl-benzofuran-3-carboxylate (CAS 2306270-67-5)
- 2-(3,4-Dichlorobenzyl)-6-phenyl-5-(piperidin-1-yl)pyridazin-3(2H)-one (CAS 478029-39-9)
- (2-Chloro-4-(difluoromethyl)-5-methylpyridin-3-yl)methanol (CAS 1807082-33-2)
- tert-Butyl 6-bromoquinoline-4-carboxylate (CAS 2374782-77-9)
- 7-Fluorobenzo[d]thiazole (CAS 214855-12-6)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
Why CATO?
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