3,4-Dimethyl-2-thioxo-2,3-dihydrothiazole-5-carboxylic acid CAS 313514-01-1
| CAS No. | 313514-01-1 |
| Molecular Formula | C6H7NO2S2 |
| Molecular Weight | 189.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 189.26 g/mol gives 3,4-Dimethyl-2-thioxo-2,3-dihydrothiazole-5-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,4-Dimethyl-2-thioxo-2,3-dihydrothiazole-5-carboxylic acid (CAS 313514-01-1), molecular formula C6H7NO2S2 and molecular weight 189.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H7NO2S2, 3,4-Dimethyl-2-thioxo-2,3-dihydrothiazole-5-carboxylic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H7NO2S2 |
| Molecular Weight | 189.26 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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- 4-Amino-2-cyclopropoxybenzenesulfonamide (CAS 1243458-68-5)
- Methyl 3-Formyl-2-methoxybenzoate (CAS 186312-96-9)
- N-Acetyl-S-(2-acetylaminoethyl)-L-cysteine (CAS 25515-72-4)
- 2-Bromo-N-(2-ethoxyphenyl)propanamide (CAS 1211447-43-6)
- 2-((5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl)thio)-1-(4-ethoxyphenyl)ethan-1-one (CAS 538338-01-1)
- 2-(1,3-Dioxoisoindolin-2-yl)-4-methylpentanoic acid (CAS 19506-89-9)
- Arotinolol Impurity 70 (CAS CATO-C4X-185470)
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