CAS 36951-72-1 appears in our catalog under these names: TMPyP4, >95% (HPLC), TMPyP4 tosylate/ 99.85% (existing batch purity), TMPyP4 tosylate, TMPyP4 tosylate, TMPyP [Ultra-high sensitive spectrophotometric reagent for Cu, Mg] [For the simultaneous determination of metals by HPLC], >98.0%(N). Offered by: TRC, TargetMol, GLPBio, Biosynth, TCI. Available pack sizes: 100mg, 250mg, 50mg, 10mg, 25mg, 10mM (in 1ml water), 1000mg, 1g.