525 Internal Standard Back Catalog number: 94212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8844.10-K-IO 2-Isobutyl-3,5-dimethylpyrazine and 2-isobutyl-3,6-dimethylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 95098 Volatile Mix #2 Price on request 10261.19-25MG Tetrabenazine, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 58-46-8 Price on request