Robuta

https://www.sigmaaldrich.com/CH/en/product/supelco/48543 Hexachloro-1,3-butadiene analytical standard 87-68-3 Hexachloro-1,3-butadiene analytical standard; CAS Number: 87-68-3; EC Number: 201-765-5; Synonyms: Perchlorobutadiene; Linear Formula: CCl2=CClCCl=CCl2 at... hexachloro 1 3 butadieneanalytical standard8768