2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

3,5-Dibromo-4-hydroxybenzonitrile-2,6-d2, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Ipronidazole, 100 µg/ml, Methanol, 5ml

VOC Standard, 100g/ml in MeOH : water [9:1], 1ml