Method 1640 Tuning Standard

5 alpha(H)-Androstan-3ß-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1224-92-6

2-Isobutyl-3,5-dimethylpyrazine and 2-isobutyl-3,6-dimethylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

2,3,7,8-Tetrabromodibenzofuran, 1.2ml x 50ug/ml, toluene