2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202)

Diltiazem hydrochloride,1000 µg base/mL,MeOH,1mL,

PSA-GCB-Mix for 2007.01 per AOAC

2-Ethylthiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 872-55-9