Citric Acid-2,2,4,4-d4, 10mg Back Catalog number: C521002 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 682696 Isonicotinic acid, 1000mg Price on request 3882.1-100MG Semicarbazide HCl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 563-41-7 Price on request 92201 EPA Method 8310 PAH Standard Price on request