calcium 4-[(3-chloro-2-ethyl-5-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate is a chemical compound registered under CAS number 67892-49-3, with the molecular formula C19H13CaClN2O6S and a molecular weight of about 472.91 g/mol. Its EINECS (EC) number is 267-582-8. It is also known as 2-Naphthalenecarboxylic acid, 4-((3-chloro-2-ethyl-5-sulfophenyl)azo)-3-hydroxy-, calcium salt (1:1); 2-Naphthalenecarboxylic acid, 4-(2-(3-chloro-2-ethyl-5-sulfophenyl)diazenyl)-3. ProvideChemicals supplies calcium 4-[(3-chloro-2-ethyl-5-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate for laboratory research and bulk production; product code 777565. Send an inquiry for purity, packaging, price and lead time.