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Red No.226
 
 
| Legal color: | Red No.226 |  | General name: | Helindone Pink CN |  | Class: | Vat Dye |  | FDA : | D & C Red No.30 |  | CI #: | C.I. 73360 |  | Color #: | Vat Red 1 |  | CAS #: | 2379-74-0 |  | CAS : | Benzo[b]thiophen-3(2H)-one,6-chloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methyl- |  | IUPAC: | →1;6,6'-Dichloro-2,3,2',3'-tetrahydro-4,4'-dimethyl-3,3'-dioxo-△2,2'-bibenzo[b] thiophene →2;6,6'-Dichloro-2,3,2',3'-tetrahydro-4,4'-dimethyl-3,3'-dioxo-2,2'-bibenzo[b] thiophenylidene methylbenzo[b]thiophene-3(2H)-one
 →3;6,6'-Dichloro-4,4'-dimethylth
 | Chemical structure : |   Helindone Pink CN
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