Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9473.9-K-ME (-)-(S)-Levetiracetam,1000 µg/mL,MeOH,1mL Price on request 676076 Cannabidivarin, 1000 µg/ml, Methanol, 1ml Price on request 3992.9-K-CY 1,1,4-Trimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 7094-27-1 Price on request