Acyclovir-d4, 1mg

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.

EPA 537 UCMR3 Calibration Mix 1

4-Heptylcyclohexanecarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38792-94-8