CAS 53995-62-3 appears in our catalog under these names: PFI–90, PFI-90/ 99.5% (existing batch purity), N'-(Pyridin-2-yl)pyridine-2-carbohydrazide, PFI-90 98%, N'-(Pyridin-2-yl)picolinohydrazide, 98%, 98%. Offered by: GLPBio, TargetMol, Biosynth, Ambeed, Chemat. Available pack sizes: 10mg, 100mg, 25mg, 50mg, 1g, 250mg, 100 mg, 10mM/1mL.