This α-bromo-β-keto ester is a key pharmaceutical & fine chemical intermediate widely applied in heterocyclic synthesis and API preparation. Its active α-bromo and carbonyl sites support nucleophilic substitution, cyclization and condensation reactions. In pharmaceutical manufacturing, it is core raw material for synthesizing pyrrole, furan, thiazole and quinoline heterocyclic drugs used for anti-inflammatory, antibacterial and anti-tumor intermediates. Organic synthesis labs utilize it as standard substrate for Michael addition, N-alkylation and heterocyclic cyclization experiments for new synthetic route development. Fine chemical factories adopt it to prepare specialty dyestuff intermediates and photosensitive additives via ring-closing reaction. Custom synthesis industry provides small-batch high-purity grade for proteomics research and laboratory reagent supply. Most commercial cargo packed in 25L iron drum or 200L galvanized barrel for global fine chemical purchasers, lab grade available in 100ml/1L fluorinated bottle.

GHS:H315,H319,H335;Signal Word:Warning, Hazard Label:Xi(Irritant) Liquid irritates skin, eye and respiratory mucosa upon direct contact or vapor inhalation. Splashed liquid onto skin needs continuous flushing with running water over 15 min; eye contamination requires thorough water rinse and instant medical consultation if persistent irritation occurs. Operation must be conducted inside fume hood with nitrile gloves, splash goggles and organic vapor respirator. Keep far from strong bases, reducing agents and oxidants to prevent exothermic dehydrobromination. Store separately from foodstuff and daily chemicals under refrigerated sealed warehouse. Waste liquid and residues belong to hazardous waste, must be collected and disposed by certified professional hazardous waste treatment agency following local environmental protection regulations, prohibited from direct drainage into sewer or soil.