Spike Sample Standard 3 Back Catalog number: 53031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12172.2-2K-ME Acetonitrile-1,2-13C2,2000 µg/mL,MeOH,1mL, Price on request 95777 Deuterated Mix Price on request C12120100 trans-Deltamethrin D6, 10mg Price on request