Use P# 72115 Back Catalog number: 71998 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-70 2,3',4',5-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 0355.26-200-T 9,10-Diphenylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1499-10-1 Price on request LA11457530CY Chloroparaffin C12 45.32% Cl, 10μg/mL in CY, 1ml Price on request