(2-Chlorothiazol-5-yl)methanol CAS 145015-15-2
| CAS No. | 145015-15-2 |
| Molecular Formula | C4H4ClNOS |
| Molecular Weight | 149.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 149.60 g/mol gives (2-Chlorothiazol-5-yl)methanol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2-Chlorothiazol-5-yl)methanol (CAS 145015-15-2) is a high-purity analytical reference standard with the molecular formula C4H4ClNOS and a molecular weight of 149.60 g/mol.
Based on its molecular formula C4H4ClNOS, (2-Chlorothiazol-5-yl)methanol contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 149.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C4H4ClNOS |
| Molecular Weight | 149.60 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothiazol Standards
- (4-Chlorothiazol-5-yl)methanol (CAS 1025936-09-7)
- (5-Chlorothiazol-4-yl)methanol (CAS 1934835-38-7)
- (2-Chlorothiazol-4-yl)methanol (CAS 5198-85-6)
- (5-Chlorothiazol-2-yl)methanol (CAS 50398-78-2)
- (5-Chlorothiazol-2-yl)methanamine (CAS 1187933-28-3)
- (2-chlorothiazol-5-yl)methanamine (CAS 120740-08-1)
- (2-Chlorothiazol-4-yl)methanamine (CAS 139425-75-5)
- 2-(4-Chlorothiazol-2-yl)acetonitrile (CAS 1433708-74-7)
Recommended Standards
- 3-(Chloromethyl)-1,2,4-thiadiazol-5-amine (CAS 112807-11-1)
- (5-Chloro-1,3,4-thiadiazol-2-yl)methanamine (CAS 1935236-26-2)
- Ethyl 2-Chloro-2-(methylimino)acetate (CAS 73188-60-0)
- Acetyl-L-alaninoyl chloride (CAS 76965-63-4)
- 3-Fluoro-1H-pyrazole (CAS 14521-81-4)
- 1-(Piperidin-4-yl)azetidin-3-ol (CAS 1147423-04-8)
- N1-Isopropyl-1H-pyrazole-1,3,4-triamine (CAS 927417-70-7)
- Ruxolitinib Impurity 76 (CAS CATO-C4X-205876)
- 3-(aminomethyl)-1H,2H,5H,6H,7H-cyclopenta[b]pyridin-2-one hydrochloride (CAS 2044902-51-2)
- Ethyl 3,4-dimethyl-2-oxo-2,3-dihydrothiazole-5-carboxylate (CAS 40235-76-5)
- 2-Oxo-1,2-dihydropyridine-3-carbohydrazide (CAS 153336-74-4)
- 2-Butoxy-5-fluoroaniline (CAS 946683-76-7)
- 2-(2-Aminoethyl)benzene-1,4-diol (CAS 21581-41-9)
- Des-Ala35-Tirzepatide (CAS CATO-CPTD788939)
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