5-(2,2-Dibromoethenyl)-4-methyl-1,3-thiazole CAS 219544-61-3
| CAS No. | 219544-61-3 |
| Molecular Formula | C6H5Br2NS |
| Molecular Weight | 282.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(2,2-Dibromoethenyl)-4-methyl-1,3-thiazole.
5-(2,2-Dibromoethenyl)-4-methyl-1,3-thiazole (CAS 219544-61-3) is a high-purity analytical reference standard with the molecular formula C6H5Br2NS and a molecular weight of 282.98 g/mol.
Owing to a nitrile group, sulfur-containing functionality, bromine substitution, an aromatic ring system, 5-(2,2-Dibromoethenyl)-4-methyl-1,3-thiazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 282.98 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 5-(2,2-Dibromoethenyl)-4-methyl-1,3-thiazole 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 | C6H5Br2NS |
| Molecular Weight | 282.98 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dibromoethenyl Standards
- 2-(2,2-Dibromoethenyl)-3-methylthiophene (CAS 77386-41-5)
- 1-(2,2-Dibromoethenyl)-3-fluoro-benzene (CAS 221148-37-4)
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- 4-(2,2-Dibromoethenyl)-1-methylpyrazole (CAS 1093193-15-7)
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- 3-(2,2-Dibromoethenyl)pyridine (CAS 63671-82-9)
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Recommended Standards
- 4-Iodo-3-nitro-1H-pyrazole-5-carboxylic acid (CAS 1621909-80-5)
- 2-Bromo-6-(tert-butyl)-3,5-dichloropyridine (CAS 2416992-28-2)
- 3,5-Dibromo-2-(methylthio)pyridine (CAS 1288990-60-2)
- 2,4-Bis(trifluoromethyl)-1,5-dichlorobenzene (CAS 116412-77-2)
- 1-(3-Bromo-7-chloro-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)ethan-1-one (CAS 2387600-66-8)
- 1-(Bromomethyl)-4-(sec-butoxy)benzene (CAS 1094272-92-0)
- 1-Chloro-3-(2-nitroethyl)benzene (CAS 140378-05-8)
- lithium(1+) ion 2-[3-(2-methylcyclopropyl)-1,2,4-oxadiazol-5-yl]acetate (CAS 1955506-51-0)
- 7H-Pyrazolo[3,4-b]pyrazine (CAS 399-62-2)
- (E)-Ethyl 2-(4-bromophenyl)-3-cyclohexylacrylate (CAS 731018-45-4)
- 3-Phenyl-N-((tetrahydrofuran-2-yl)methyl)prop-2-en-1-amine hydrochloride (CAS 869945-34-6)
- 2-Bromo-5-(difluoromethyl)-3-methoxy-4-methylpyridine (CAS 1805351-52-3)
- 5-(3-Bromophenyl)-3-(p-tolyl)isoxazole (CAS 651021-73-7)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
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