D4-1,2-Dichloroethane, 100mg

d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml

2,2',4,4'-Tetrabromo-6-methoxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

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