Internal Standard Back Catalog number: 95592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94506 Hydrocortisone Price on request 10130.11-150-IO 2,3,4-Trimethylbenzothiophene, 150µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80421-98-3 Price on request 11868.20-K-ME (±)-Chlorpheniramine-d6 maleate (N,N-dimethyl-d6),1000 µg base/mL,MeOH,1mL Price on request