Propazine, 100µg/ml in Acetonitrile, 1ml

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

1,2,4-Trichloro-5-nitrobenzene

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 10µg/mL in Isooctane, 1ml