2-Bromothiazole-4-carboxylic acid CAS 5198-88-9
| CAS No. | 5198-88-9 |
| Molecular Formula | C4H2BrNO2S |
| Molecular Weight | 208.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Bromothiazole-4-carboxylic acid is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-Bromothiazole-4-carboxylic acid (CAS 5198-88-9), a certified reference material (molecular formula C4H2BrNO2S, MW 208.03 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H2BrNO2S, 2-Bromothiazole-4-carboxylic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.03 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Bromothiazole-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H2BrNO2S |
| Molecular Weight | 208.03 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromothiazole Standards
- 5-Bromothiazole-4-carboxylic Acid (CAS 103878-58-6)
- 4-Bromothiazole-5-carboxylic acid (CAS 1244949-48-1)
- 5-Bromothiazole-2-carboxylic acid (CAS 957346-62-2)
- 2-Bromothiazole-5-boronic acid (CAS 2121513-34-4)
- 5-Bromothiazole-4-carboxamide (CAS 1025468-10-3)
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- 2-Bromothiazole-5-carboxamide (CAS 848499-31-0)
- 4-Bromothiazole-2-carboxamide (CAS 912639-91-9)
Recommended Standards
- 2-Bromo-5-thiazolecarboxylic acid (CAS 54045-76-0)
- 3-Bromo-2-nitrothiophene (CAS 24430-27-1)
- 2-Bromo-3-nitrothiophene (CAS 2161-96-8)
- 3-BRomo-4-nitrothiophene (CAS 39920-21-3)
- (6-(Benzyloxy)benzofuran-2-yl)methanamine (CAS 912462-45-4)
- cis-N-(3-Fluorophenyl)hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxamide (CAS 1218263-08-1)
- 3-(4-Chlorophenyl)-5-(methylthio)-1-phenyl-1H-pyrazole (CAS 80967-23-3)
- 4-Chloro-2-iodo-thieno[2,3-b]pyridine-5-carbonitrile (CAS 700844-18-4)
- 280115-99-3 4-chlorocarbonyl-piperidine-1-carboxylic acid tert-butyl ester (CAS 280115-99-3)
- N-(2-(6,7-Dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)pentanamide (CAS 851096-09-8)
- 2-Bromo-n-(pyrimidin-2-yl)benzamide (CAS 346723-67-9)
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