Methothrin, 100µg/ml in Acetonitrile, 5ml

2,4'-DDE-d8 (dichloropropyl-d4), 100µg/mL in AL, 1ml

n-Hexyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. NA 1083-27-8 for unlabelled

Benzoic acid-(ring-d5), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no.