The product is white to pale yellow crystalline solid.
Purity tested by HPLC or GC is not less than 98.0%.
Water content is no more than 0.5%.
Residue on ignition is not more than 0.1%.
Heavy metals content is less than 10 ppm.
Chromatogram shows no obvious impurity peaks, all indexes meet pharmaceutical intermediate grade standard.
2-Bromo-4-methylpyridine is a classic substituted pyridine heterocyclic building block.
The bromine atom at the 2-position has high reactivity for nucleophilic substitution and various cross-coupling reactions.
It can be used for Suzuki coupling, Heck reaction, Sonogashira reaction and Buchwald-Hartwig amination.
It is widely applied as key intermediate for synthesis of anticancer drugs, kinase inhibitors, anti-inflammatory agents and central nervous system medicines.
Also used in medicinal chemistry compound library construction and structure-activity relationship research, as well as agrochemical fine chemical synthesis. 
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