GC/MS Calibration Standard

5 alpha(H),17 alpha(H),(20R)-3ß-Acetoxyergost-8(14)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4042-95-9

Metformin Hydrochloride, 1g

Methomyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 16752-77-5