Custom Standard Back Catalog number: 50312 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0785.18-500-IO 1,2,6,9-Tetramethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 204256-39-3 Price on request 52027 Alternate Interferents B Price on request 9284.17-K-ME Sertraline hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 79559-97-0 Price on request