EPA Method 8260B - Purgeable Internal Std

GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.

Vanillactic Acid, 100mg

Promethazine hydrochloride,neat,neat,100mg