Diltiazem Back Catalog number: 72148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0239.20-10-AN Benzo[a]pyrene, 10µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 50-32-8 Price on request 82544 EPA Method 8270C - B/N Matrix Spiking Solution Price on request 10864.10-5MG Serotonin-13C2, 15N Price on request