2-Chlorothiazole-5-carboxylic acid CAS 101012-12-8
Purity >95%In StockPharmaceutical Standards
| CAS No. | 101012-12-8 |
| Molecular Formula | C4H2ClNO2S |
| Molecular Weight | 163.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chlorothiazole-5-carboxylic acid (CAS 101012-12-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H2ClNO2S. Molecular weight: 163.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H2ClNO2S |
| Molecular Weight | 163.58 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothiazole Standards
- 5-Chlorothiazole-2-carboxylic Acid (CAS 101012-16-2)
- 4-Chlorothiazole-2-carboxylic acid (CAS 1211521-70-8)
- 5-Chlorothiazole-4-carboxylic acid (CAS 1505987-37-0)
- 2-Chlorothiazole-4-carboxylic Acid (CAS 5198-87-8)
- 2-Chlorothiazole-4-carboxamide (CAS 928256-35-3)
- 2-Chlorothiazole-5-carboxamide (CAS 761454-63-1)
- 5-Chlorothiazole-2-carboxamide (CAS 98027-07-7)
- Methyl 4-chlorothiazole-5-carboxylate (CAS 1015591-57-7)
Recommended Standards
- 4-Chloro-5-Isothiazolecarboxylic Acid (CAS 88982-87-0)
- 5-Chloro-1,2,3-thiadiazole-4-carboxamide (CAS 64837-51-0)
- 4-Chloro-2-oxo-2,3-dihydro-1,3-thiazole-5-carbaldehyde (CAS 55359-96-1)
- 4-Chloro-5-methyl-1H-indazole (CAS 152626-83-0)
- 6-(2-Methyl-1h-imidazol-1-yl)pyrazine-2-carboxylic acid (CAS 1532605-32-5)
- 1-(1H-Pyrrol-3-yl)propan-1-one (CAS 1193-61-9)
- Atazanavir Impurity 12 (CAS 162536-40-5)
- (R)-3-((tert-Butyldimethylsilyl)oxy)-5-methoxy-5-oxopentanoic acid (CAS 109744-49-2)
- 2-((tert-Butoxycarbonyl)amino)-5-(trifluoromethyl)thiophene-3-carboxylic acid (CAS 1260667-04-6)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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