4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

(S)-(+)-Pregabalin-d4 (Aminomethyl d2 - hexanoic acid-2,2-d2), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

2,2'-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13029-09-9