(3S)-9-Vinyl-14-ethyl-13-formyl-4α,8,18-trimethyl-20-oxo-3-phorbinepropanoic acid (2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecenyl ester is a chemical compound registered under CAS number 77331-75-0, with the molecular formula C53H70 N4 O4 and a molecular weight of about 827.17 g/mol. It is also known as Pyropheophorbide b; Pyropheophytin b. NewsChem supplies (3S)-9-Vinyl-14-ethyl-13-formyl-4α,8,18-trimethyl-20-oxo-3-phorbinepropanoic acid (2E,7R,11R)-3,7,11,15-tetramethyl-2-hexadecenyl ester for laboratory research and bulk production; product code 1245958. Send an inquiry for purity, packaging, price and lead time.