MSTFA

beta-Endosulfan, 100 µg/ml, Acetonitrile, 5ml

4-Nitrophenol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 100-02-7

Di-iso-butyl phthalate (Di-2-methylpropyl phthalate), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 84-69-5