roflurane roflurane roflurane (inn, usan, code name da-893) is a halocarbon drug which was investigated as an inhalational anesthetic but was never marketed. rofluraneclinical dataatc codenoneidentifiers iupac name 2-bromo-1,1,2-trifluoro-1-methoxyethane cas number679-90-3pubchem cid12676chemspider12155uniiqp8q61t44lchemical and physical dataformulac3h4brf3omolar mass192.963 g·mol−13d model (jsmol)interactive image smiles coc(c(f)br)(f)f inchi inchi=1s/c3h4brf3o/c1-8-3(6,7)2(4)5/h2h,1h3key:yoqyduausfauer-uhfffaoysa-n