Method 8081LCS/MS/MSD Spike Solution Back Catalog number: 95615 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2551.18-100-ME O-Acetylsalicylic anhydride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1466-82-6 Price on request 72085 Methoprene Price on request 66138 2,2’,3,4,4’,5’-Hexachlorobiphenyl (138) Price on request