Tryptophan, a-[1-fluoro-2-[(4-nitrophenyl)sulfinyl]ethyl]- is a chemical compound registered under CAS number 78640-94-5, with the molecular formula C19H18FN3O5S and a molecular weight of about 419.43 g/mol. KingChemi supplies Tryptophan, a-[1-fluoro-2-[(4-nitrophenyl)sulfinyl]ethyl]- for laboratory research and bulk production; product code 2400362. Send an inquiry for purity, packaging, price and lead time.