2-bromo-5-chloroisonicotinic acid CAS 530156-90-2
| CAS No. | 530156-90-2 |
| Molecular Formula | C6H3BrClNO2 |
| Molecular Weight | 236.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 236.45 g/mol gives 2-bromo-5-chloroisonicotinic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-bromo-5-chloroisonicotinic acid (CAS 530156-90-2) is a high-purity analytical reference standard with the molecular formula C6H3BrClNO2 and a molecular weight of 236.45 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system, 2-bromo-5-chloroisonicotinic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 236.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-bromo-5-chloroisonicotinic 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 | C6H3BrClNO2 |
| Molecular Weight | 236.45 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, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related bromo Standards
- 5-Bromo-4-chloropyridine-2-carboxylic Acid (CAS 1060802-25-6)
- 4-Bromo-6-chloro-2-pyridinecarboxylic Acid (CAS 1060805-66-4)
- 4-Bromo-2-chloronicotinic acid (CAS 1060805-68-6)
- 6-Bromo-4-chloronicotinic acid (CAS 1060808-92-5)
- 6-Bromo-4-chloropicolinic acid (CAS 1060811-25-7)
- 2-Bromo-6-chloroisonicotinic acid (CAS 1060811-26-8)
- 2-Bromo-6-chloronicotinic acid (CAS 1060815-61-3)
- 6-Bromo-3-chloropicolinic Acid (CAS 1060815-76-0)
Recommended Standards
- 2-Bromo-4-chloro-1-nitrobenzene (CAS 63860-31-1)
- 2-Bromo-5-chloronicotinic acid (CAS 65550-79-0)
- 1-Bromo-4-chloro-2-nitrobenzene (CAS 41513-04-6)
- 2-bromo-5-hydroxy-pyridine-3-carbonyl chloride (CAS 2821816-99-1)
- 3-Bromo-5-fluoro-1-methyl-1H-pyrrolo[3,2-b]pyridine (CAS 2231675-79-7)
- 4-Isopropylbenzene-1,3-diamine (CAS 14235-45-1)
- 7-Vinyl-[1,3]dioxolo[4,5-g]quinolin-6(5H)-one (CAS 50779-79-8)
- tert-Butyl 4-phenylpiperidine-1-carboxylate (CAS 123387-49-5)
- 2-(((Tert-butoxycarbonyl)amino)methyl)-5-phenyl-2-(3-phenylpropyl)pentanoic acid (CAS 1202779-20-1)
- 2-(3,5-Dimethylphenyl)cyclohexan-1-one (CAS 850663-18-2)
- 6-Chloro-2-methylnicotinamide (CAS 1824294-52-1)
- 4-[(4-Chlorobenzenesulfonyl)methyl]-6-(2,4-dichlorophenoxy)-2-methylpyrimidine (CAS 338960-57-9)
- tert-Butyl (2-amino-3-methylbutyl)carbamate (CAS 1117693-61-4)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
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