Papaverine-d3 Hydrochloride, 1mg Back Catalog number: P190502 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 50443 ICP-MS Internal Standard Price on request 30094 EPA Method 551Mix “A” Price on request 50473 ICP Mix - 0.05 µg / mL Price on request