COD Calibration Standard

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid hydrate (contains 5-10% isopropyl alcohol), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4065-45-6

Spiroxamine, 100mg

2-[3-(Trifluoromethyl)phenoxy]nicotinic acid, 10mg