C.I. Reactive blue 187 is a chemical compound registered under CAS number 89286-75-9, with the molecular formula C52H38 Cl2 N16 O24 S6 . 6 Na and a molecular weight of about 1666.1 g/mol. It is also known as Hodgsons Kayacelon React Blue CN-FL. NewsChem supplies C.I. Reactive blue 187 for laboratory research and bulk production; product code 897464. Send an inquiry for purity, packaging, price and lead time.