Method 1640Mix A

1,2,4,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Nordiazepam, neat, Solvent-neat, Unit 5g, # of units-1, Cas.no. 1088-11-5

Napropamide (ISO 17034 CRM), 50mg