D3-Mecoprop, 100 µg/ml, Acetone, 1ml

d4 Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-77-7

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

2,2'-Dihydroxy-4-methoxybenzophenone, 250mg