Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0978.10-K-TX5 Naphthalene-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1146-65-2 Price on request 685011 D3-(-)-Altenuene, 100 µg/ml, Acetonitrile, 1ml Price on request SC-212592 Propionyl Glycine, >97%, 2,5mg Price on request