Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71124 Isoquinoline Price on request 0938.8-K-IO Benzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 95-15-8 Price on request 71407 Nonatriacontane (C39) Price on request