4,4'-Dibromo-2,2'-bipyridine

4,4'-Dibromo-2,2'-bipyridine (CAS 18511-71-2) is a pharmaceutical-grade advanced intermediate offered by Shaanxi Lighte Optoelectronics Material Co., Ltd, which sources rather than directly manufactures the product, meeting ChP standards. It is supplied at a crude purity above 98% and sublimation purity above 99%, verified by HPLC/HNMR/MS reports, packaged in quantities from 1g to 100g, and sold into the Asian market.