(4R)-1-[(5-chloro-3-methyl-1-oxo-3,4-dihydro-1H-isochromen-7-yl)carbonyl]-4-hydroxy-L-proline is a chemical compound registered under CAS number 64398-32-9, with the molecular formula C16H16ClNO6 and a molecular weight of about 353.75 g/mol. It is also known as L-Proline, 1-((5-chloro-3,4-dihydro-3-methyl-1-oxo-1H-2-benzopyran-7-y l)carbonyl)-4-hydroxy-, trans-. FireTardant supplies (4R)-1-[(5-chloro-3-methyl-1-oxo-3,4-dihydro-1H-isochromen-7-yl)carbonyl]-4-hydroxy-L-proline for laboratory research and bulk production; product code 1373033. Send an inquiry for purity, packaging, price and lead time.