7-bromo-4,4-difluoro-2,3-dihydrochromene

Shanghai Rlavie Technology Co ltd specialize in pyridazine, pyridine , tetralone and other intermediate.We are reliable partner based on the Profession: 1) Expertise and experienced chemistry team have been focused in pyridazine , pyridine & tetralone field for over 10 years, familiar with the material market & compound technology to ensure the economical and proficient. 2) Fully equipped Lab & plant and In-house analytical services such as HPLC,GC,GC-MS, NMR detection to ensure the quality from lab scale to scale-up production. Attitude: Well noted with the attitude define us, and direct us toward our destiny, so we 1) Focus ( only on pyridazine,pyridine & tetralone field ) 2) Open-mind (pay attention to feedback from all aspects ) Rigorous ( from the first ideas, route scouting,synthesis method, sample detection, scale up, analytical service,package &warehousing, Retest &delivery to storage ) 3) Conscientious: With the respect of every opportunity to cooperate and the wish to offer our humble effort for the vigorous improvement of pharmaceutical industry, we conduct ourselves to establish metrics of high performance.