Diltiazem Back Catalog number: 72148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 44022R EPA Method 601 - Purgeables Mix #2 Price on request CLM-4512-1.2 p-n-Nonylphenol Monoethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml Price on request 11674.12-100-IO 2,3,5-Trichlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request