2-Bromo-4-chloro-3-iodopyridine CAS 1070870-41-5
| CAS No. | 1070870-41-5 |
| Molecular Formula | C5H2BrClIN |
| Molecular Weight | 318.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Bromo-4-chloro-3-iodopyridine is closely related to a nitrile group, chlorine/bromine/iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-Bromo-4-chloro-3-iodopyridine (CAS 1070870-41-5), a certified reference material (molecular formula C5H2BrClIN, MW 318.34 g/mol) for analytical method development and quality control.
Structurally, 2-Bromo-4-chloro-3-iodopyridine (C5H2BrClIN) contains a nitrile group, chlorine/bromine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 318.34 g/mol, it falls into the moderately-high-molecular-weight range. 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-4-chloro-3-iodopyridine 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 | C5H2BrClIN |
| Molecular Weight | 318.34 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 |
| 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.) | 1988 |
| Halogen Content | Cl/Br/I-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-chloro-4-iodopyridine (CAS 1061357-88-7)
- 3-Bromo-5-chloro-4-iodopyridine (CAS 1070870-39-1)
- 5-Bromo-3-chloro-2-iodopyridine (CAS 1159186-43-2)
- 2-Bromo-3-chloro-5-iodopyridine (CAS 1211525-78-8)
- 3-Bromo-6-chloro-2-iodopyridine (CAS 1211529-01-9)
- 2-Bromo-5-chloro-3-iodopyridine (CAS 1211535-24-8)
- 2-Bromo-6-chloro-3-iodopyridine (CAS 1211580-38-9)
- 3-Bromo-2-chloro-5-iodopyridine (CAS 1211586-80-9)
Recommended Standards
- 1-(4-(Difluoromethoxy)phenyl)-5-phenyl-1,3-dihydro-2H-imidazole-2-thione (CAS 1105190-29-1)
- 6-Fluoro-1-methyl-7-(4-methylpiperidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1031989-25-9)
- N-(5-Amino-2-fluorophenyl)-3-(2-ethoxyethoxy)-benzamide (CAS 1020055-49-5)
- N-(5-Amino-2-fluorophenyl)-2-(2-ethoxyethoxy)-benzamide (CAS 1020055-41-7)
- N-(4-(5-Mercapto-4-(3-methoxyphenyl)-4H-1,2,4-triazol-3-yl)phenyl)benzenesulfonamide (CAS 917747-50-3)
- (2R)-2-AMINO-2-(4-CYCLOPENTYLOXYPHENYL)ETHAN-1-OL (CAS 1213158-05-4)
- (1-(5-Bromopyridin-2-yl)pyrrolidin-2-yl)methanol (CAS 1248617-54-0)
- 2,2-dimethyl-N-(1H-pyrazol-4-yl)propanamide (CAS 1153795-04-0)
- N-(4-Acetyl-2-fluorophenyl)acetamide (CAS 85117-88-0)
- 5-Bromo-2,3,4-trifluorophenol (CAS 1073339-19-1)
- Tert-butyl (r)-(1-(tetrahydro-2h-pyran-4-carbonyl)pyrrolidin-3-yl)carbamate (CAS 1286208-81-8)
- 2-Methyl-3-(trifluoromethyl)oxirane , 1,1,1-Trifluoro-2,3-epoxybutane 2-methyl-3-(trifluoromethyl)oxirane 406-30-4 (CAS 406-30-4)
- tert-Butyl (6-ethynylpyridin-3-yl)carbamate (CAS 868736-63-4)
- Liraglutide (CAS 204656-20-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com