Internal & Surrogate Standard 8260B Back Catalog number: 96719 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11647.9-K-ME (+/-)-Normetanephrine hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 685735 Fensulfothion-sulfone, 100µg/ml in Acetonitrile, 1ml Price on request 1569.18-100MG Norcodeine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 467-15-2 Price on request