L-Ascorbic Acid, 100g

Dimethoate, 1000µg/ml in MeOH, 1ml

2,2',4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

n-Propyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219802-67-1