2-Bromo-4-chloro-5-methylpyridine CAS 1033203-40-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1033203-40-5 |
| Molecular Formula | C6H5BrClN |
| Molecular Weight | 206.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-Bromo-4-chloro-5-methylpyridine (CAS 1033203-40-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5BrClN. Molecular weight: 206.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5BrClN |
| Molecular Weight | 206.47 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 3,4,5-Trichlorobenzonitrile (CAS 6575-06-0)
- 3-(Bromomethyl)-2-chloropyridine (CAS 111108-72-6)
- 2,4,6-Trichlorobenzonitrile (CAS 6575-05-9)
- 3-Chloro-6-(4-methoxyphenyl)-4-(trifluoromethyl)pyridazine (CAS 2060062-38-4)
- 7-(4-Chlorobenzyl)-3-(4-methoxybenzyl)-8-methyl-2,3,4,9-tetrahydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one (CAS 1374509-74-6)
- 4-(Iodo-phenyl)-methane sulfonyl chloride (CAS 345915-64-2)
- 1-(3,4-Dihydroxyphenyl)-2-(pyridin-2-ylthio)ethan-1-one (CAS 13134-60-6)
- Isopropyl 3-iodoacrylate (CAS 1388842-43-0)
- 2-Chloro-N-(4-phenyl-1,2,5-oxadiazol-3-yl)acetamide (CAS 32545-23-6)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
Why CATO?
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