WP - Volatile Aromatics Cal Check Back Catalog number: 91871 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10226.11-100-ME iso-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219805-33-0 Price on request 10278.12-5MG (±)-Sotalol-d7 hydrochloride (iso-propyl-d7) Price on request 8357.12 4-Amino-5-fluoro-PCB-163, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request