3-Hydroxy-4-[(2-sulfo-1-naphthalenyl)azo]-2-naphthalenecarboxylic acid calcium salt is a chemical compound registered under CAS number 73019-27-9, with the molecular formula C21H14 N2 O6 S . Ca and a molecular weight of about 460.47 g/mol. It is also known as 2-Naphthalenecarboxylicacid, 3-hydroxy-4-[(2-sulfo-1-naphthalenyl)azo]-, calcium salt (1:1) (9CI). ClickChemi supplies 3-Hydroxy-4-[(2-sulfo-1-naphthalenyl)azo]-2-naphthalenecarboxylic acid calcium salt for laboratory research and bulk production; product code 1285276. Send an inquiry for purity, packaging, price and lead time.