Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676851 D8-Triforine, 100 µg/ml, Acetone, 1ml Price on request 0744.12-K-IO 2-Ethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32367-54-7 Price on request 3906.17-1G Riboflavin (E101), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 83-88-5 Price on request