3-Bromo-2-chloro-5-methylpyrazine CAS 1359828-82-2
| CAS No. | 1359828-82-2 |
| Molecular Formula | C5H4BrClN2 |
| Molecular Weight | 207.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 207.46 g/mol gives 3-Bromo-2-chloro-5-methylpyrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Bromo-2-chloro-5-methylpyrazine (CAS 1359828-82-2), a certified reference material (molecular formula C5H4BrClN2, MW 207.46 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H4BrClN2, 3-Bromo-2-chloro-5-methylpyrazine contains a nitrile group, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 207.46 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.
CATO manufactures 3-Bromo-2-chloro-5-methylpyrazine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4BrClN2 |
| Molecular Weight | 207.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 6-Bromo-5-chloropyridin-2-amine (CAS 1004294-58-9)
- 2-Bromo-6-chloropyridin-3-amine (CAS 1050501-88-6)
- 2-Bromo-6-chloropyridin-4-amine (CAS 1060815-59-9)
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- 2-Bromo-5-chloro-3-methylpyrazine (CAS 1260664-82-1)
Recommended Standards
- 4-Bromo-2-chloropyridin-3-amine (CAS 1354021-09-2)
- 2-(Bromomethyl)-5-chloropyrazine (CAS 1433707-80-2)
- 5-Bromo-6-chloropyridin-3-amine (CAS 130284-53-6)
- 4-Bromo-6-chloropyridin-3-amine (CAS 1449239-58-0)
- 2,3-Dichloro-5-(difluoromethyl)pyridine-4-acetic acid (CAS 1806005-32-2)
- 4-Chlorophthalazin-1(2H)-one (CAS 2257-69-4)
- 3-Bromo-1H-indole-6-carbaldehyde (CAS 1372096-39-3)
- 2-(6-Chloro-4-pyrimidinyl)-1,2,3,4-tetrahydroisoquinoline (CAS 1121625-27-1)
- Benzyl 2-(chlorocarbonyl)indoline-1-carboxylate (CAS 321309-39-1)
- 2-(3-(4,5-Dichloro-6-oxopyridazin-1(6h)-yl)adamantan-1-yl)acetic acid (CAS 832740-18-8)
- 3,4,5,6-Tetrachloropyridin-2-ol (CAS 17368-22-8)
- 4-(4-Isopropylpiperazin-1-yl)benzoic acid (CAS 700802-76-2)
- 4-Chloro-N-phenylbutanamide (CAS 7578-45-2)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com