2-(hydroxymethyl)-1,3-thiazole-4-carboxylic acid hydrochloride CAS 1909336-95-3
| CAS No. | 1909336-95-3 |
| Molecular Formula | C5H5NO3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H5NO3SHCl, 2-(hydroxymethyl)-1,3-thiazole-4-carboxylic acid hydrochloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 195.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 2-(hydroxymethyl)-1,3-thiazole-4-carboxylic acid hydrochloride (CAS 1909336-95-3), a certified reference material (molecular formula C5H5NO3SHCl, MW 195.62 g/mol) for analytical method development and quality control.
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 | C5H5NO3S HCl |
| Molecular Weight | 195.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related hydroxymethyl Standards
- (Hydroxymethyl)urea (CAS 1000-82-4)
- 1-(5-(Hydroxymethyl)furan-2-yl)-9H-pyrido[3,4-b]indole-3-carboxylic acid (CAS 100041-05-2)
- 2-(2-(Hydroxymethyl)-4,5-dimethoxyphenyl)acetaldehyde (CAS 100059-18-5)
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- 1260157-25-2 3283AD 5-Isocyano-pyridine-2,4-diamine C6H6N4 (CAS 1260157-25-2)
- tert-Butyl 6-[(E)-(hydroxyimino)methyl]-1H-indole-1-carboxylate (CAS 1417368-27-4)
- 1-(5-(3-Aminopiperidine-1-carbonyl)thiophen-2-yl)ethan-1-one (CAS 2098010-66-1)
- Cholecystokinin Octapeptide (desulfated) (H-2070.0005) (CAS 198483-36-2)
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