CAS 2631-37-0 appears in our catalog under these names: Promecarb, Promecarb 100 µg/mL in Cyclohexane, Promecarb, Concentration: 100 µg/ml Solvent: Acetonitrile. Offered by: TRC, Dr. Ehrenstorfer, Sigma-Aldrich, HPC Standards. Available pack sizes: 250mg, 100mg, 1ml, 50MG, 1x5ml.