Method 1613 Clean-up Standard, 8ng/ml in Nonane, 20ml

O-Acetylsalicylic anhydride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1466-82-6

Amitrole, 10.0 µg/ml, Methanol, 10ml

17alpha-Ethynylestradiol,1000 µg/mL,MeOH,1mL,