2,3,5,6-Tetrachloroterephthalic acid

4-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-33-4

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

Cyclopenta(c,d)pyrene,100µg/ml in Acetonitrile, 1m