Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98323 Custom SIM_A Standard Price on request 3142.17-K-IO Heptadecanoic acid (Margaric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-12-7 Price on request 8665.21-100-AN Dimethomorph Price on request