USE PN 31196 Back Catalog number: 82448 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675451 Penicillin G Potassium Salt, 250mg Price on request 1697.17-K-IO 9-n-Propylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17024-03-2 Price on request 8482.22-K-ME Diltiazem (free base), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 42399-41-7 Price on request