C.I. 34207 is a chemical compound registered under CAS number 36863-47-5, with the molecular formula C43H31N7O13S4·4Na and a molecular weight of about 1073.96 g/mol. It is also known as C.I. Direct Blue 308; Direct Blue 308; Direct Fast Sky Blue. TwoChem supplies C.I. 34207 for laboratory research and bulk production; product code 624670. Send an inquiry for purity, packaging, price and lead time.