Chemical Name : Thioindigo
CAS : 522-75-8
Synonyms: 2-(3-Oxobenzo[b]thien-2(3h)-ylidene)-benzo[b]thiophen-3(2h)-one;2-(3-Oxobenzo[b]thien-2(3h)-ylidene)-benzo[b]thiophene-3(2h)-one;Fluorescent dye, tracer, red;Fluorescent red dye;Thioindigo;Vat red 41
Tetra

![5-Methyltetrazolo[1,5-a]quinoline](https://thsciimg.chemcd.cn/TS15267.gif)

