CAS 103213-34-9 appears in our catalog under these names: Gly-Pro-pNA hydrochloride/ 99.41% (existing batch purity), Gly–Pro–pNA (hydrochloride), H-Gly-Pro-pNA•hydrochloride, Gly-Pro-pNA HCl 98%, GLY-PRO P-NITROANILIDE HYDROCHLORIDE&. Offered by: TargetMol, GLPBio, Biosynth, Ambeed, Sigma-Aldrich. Available pack sizes: 10mg, 25mg, 50mg, 100mg, 500mg, 250mg, 1g, 10mM/1mL.