Levonorgestrel, 100µg/mL in Acetonitrile, 1ml

EPA Method 608.1 Analytes

Benzo[b]naphtho[1,2-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-43-6

Acetaminophen-d4 (Paracetamol-d4),100 µg/mL,MeOH,1mL