Method 4 Standard 1 Back Catalog number: 93233 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10916.27-K-ME (±)-Verapamil-d3 hydrochloride (N-methyl-d3) ,1000 µg base/mL,MeOH,1mL Price on request 2904.12-5MG 2,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32690-93-0 Price on request 12360.16-K-ME Mono-n-octyl phthalate-d4, 1000µg/ml in MeOH, 1ml Price on request