Internal Standard Back Catalog number: 96651 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675023 Fenson, 100 µg/ml, Cyclohexane, 5ml Price on request 1535.18-100-T o-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5142-76-6 Price on request 2698.19-K-ME Nortriptyline hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 894-71-3 Price on request