5-Bromo-2,4-dichloropyridine CAS 849937-96-8
| CAS No. | 849937-96-8 |
| Molecular Formula | C5H2BrCl2N |
| Molecular Weight | 226.89 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-Bromo-2,4-dichloropyridine.
5-Bromo-2,4-dichloropyridine (CAS 849937-96-8), molecular formula C5H2BrCl2N and molecular weight 226.89 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H2BrCl2N, 5-Bromo-2,4-dichloropyridine contains a nitrile group, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 226.89 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 5-Bromo-2,4-dichloropyridine 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 | C5H2BrCl2N |
| Molecular Weight | 226.89 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 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 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 3-Bromo-4,5-dichloropyridine (CAS 1001056-83-2)
- 4-Bromo-2,3-dichloropyridine (CAS 1020717-98-9)
- 2-Bromo-4,5-dichloropyridine (CAS 1033203-42-7)
- 6-Bromo-2,3-dichloropyridine (CAS 1033820-08-4)
- 2-Bromo-4,6-dichloropyridine (CAS 1060815-15-7)
- 4-Bromo-2,5-dichloropyridine (CAS 1184917-16-5)
- 2-Bromo-3,6-dichloropyridine (CAS 1266119-41-8)
- 3-Bromo-2,5-dichloropyridine (CAS 138006-41-4)
Recommended Standards
- 5-Bromo-2,3-dichloropyridine (CAS 97966-00-2)
- 3-Bromo-2,6-dichloropyridine 3-bromo-2,6-dichloro-pyridine 2,6-dichloro-3-bromopyridine 3-bromo-2,6-dichloro pyridine 866755-20-6 (CAS 866755-20-6)
- 4-Bromo-3,5-dichloropyridine (CAS 343781-45-3)
- 2,3-Dibromo-2-methylpropanenitrile (CAS 28786-90-5)
- 2-(6-Bromo-1H-indol-1-yl)ethan-1-amine (CAS 259860-23-6)
- 496-41-3 7Z6NMG947L Coumarilic acid 2-Benzofurancarboxylic acid 5-18-06-00419 (Beilstein Handbook Reference) AI3-03711 Benzo(b)furan-2-carboxylic acid BRN 0124204 2-Carboxybenzofuran Coumarone-2-carboxylic acid EINECS 207-818-9 NSC 6165 UNII-7Z6NMG947L (CAS 496-41-3)
- 2,4-Bis(trifluoromethyl)-5H,6H,7H,8H-pyrido[3,4-d]pyrimidine hydrochloride (CAS 911636-86-7)
- N-Boc-3-(trifluoromethyl)-D-phenylalanine (CAS 82317-82-6)
- 5-Bromo-2-isopropyloxazole (CAS 1391739-84-6)
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