2-Bromo-4-methylthiazole-5-carbonitrile CAS 1254034-55-3
| CAS No. | 1254034-55-3 |
| Molecular Formula | C5H3BrN2S |
| Molecular Weight | 203.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.06 g/mol gives 2-Bromo-4-methylthiazole-5-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-Bromo-4-methylthiazole-5-carbonitrile (CAS 1254034-55-3), a certified reference material (molecular formula C5H3BrN2S, MW 203.06 g/mol) for analytical method development and quality control.
2-Bromo-4-methylthiazole-5-carbonitrile (C5H3BrN2S) contains a nitrile group, sulfur-containing functionality, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-Bromo-4-methylthiazole-5-carbonitrile 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 | C5H3BrN2S |
| Molecular Weight | 203.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-(5-Bromo-1,3-thiazol-2-yl)acetonitrile (CAS 1375064-90-6)
- 2-Bromo-5-methylthiazole-4-carbonitrile (CAS 1379365-49-7)
- 5-bromo-3-methyl-1,2-thiazole-4-carbonitrile (CAS 1803561-46-7)
- 2-(5-bromo-1,3-thiazol-4-yl)acetonitrile (CAS 1909319-59-0)
- 4-Bromo-5-methylthiazole-2-carbonitrile (CAS 2090046-28-7)
- 5-Bromo-2-methylthiazole-4-carbonitrile (CAS 723743-71-3)
- 5-Bromo-4-methyl-1,3-thiazole-2-carbonitrile (CAS 859481-85-9)
- 1-Bromo-2-(1-fluoro-ethyl)-benzene (CAS 1027513-77-4)
Recommended Standards
- 2-(2-Bromothiazol-5-yl)acetonitrile (CAS 1246554-99-3)
- 2-(2-Bromothiazol-4-yl)acetonitrile, 97% (CAS 1254558-78-5)
- 3-Amino-5-bromothiophene-2-carbonitrile (CAS 1017789-14-8)
- 3-bromoimidazo[4,3-b][1,3]thiazole (CAS 1279721-68-4)
- (R)-1-(2-chloro-6-(trifluoromethyl)phenyl)ethan-1-amine (CAS 1703844-26-1)
- 6-Methoxy-2-(5-methyl-2-furyl)quinoline-4-carboxylic acid (CAS 588679-49-6)
- 3-Amino-4-(cyclopentylamino)benzoic acid (CAS 476634-96-5)
- Tert-butyl 4-bromo-3-(hydroxymethyl)-7-methoxy-1H-indole-1-carboxylate (CAS 1394899-04-7)
- 3-(3-Chlorophenyl)-5-methylimidazolidine-2,4-dione (CAS 42351-77-9)
- (4-Bromophenyl)(4-chloro-2-methylphenyl)methanol (CAS 1443333-58-1)
- Methyl 5-bromo-2-nitronicotinate (CAS 1804872-61-4)
- (2-Fluoro-6-(furan-2-yl)pyridin-3-yl)boronic acid (CAS 2225175-75-5)
- 4-(2-Thiazolyl)phenol (CAS 81015-49-8)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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