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

Chlorobenzilate, 100 µg/ml, Ethyl acetate, 1ml

2-Bromo-6-methoxynaphthalene, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 5111-65-9

Aromatic Internal Standard