Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10261.19-1G Tetrabenazine, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 58-46-8 Price on request 10771.35-K-T 2-Chloro-1,3-propanediol-dipalmitate-d5, PP-2-MCPD-d5,1000 µg/mL,toluene,1mL, Price on request 678965 Pyrene, 100 µg/ml, Cyclohexane, 1ml Price on request