PE-22-28 Sequence, Molecular Weight & Chemical Identity

The primary sequence of PE-22-28 is recorded as: Ala-Val-Pro-Leu-Pro-Ala-Gly. Sequence integrity is verified during release testing using analytical reverse-phase HPLC compared against a reference standard, with mass spectrometry confirming the expected molecular ion.

PE-22-28 carries the molecular formula C32H53N7O9 and a calculated monoisotopic weight of approximately ≈ 679.81 g/mol. These values are essential for accurate molar-concentration calculations during reconstitution and for normalizing dose curves across studies.

CAS Registry: not assigned in publicly indexed registries. PE-22-28 is also referenced in the literature under its full chemical name and developmental designations. When searching publications, querying both the common and chemical names typically surfaces the broadest body of work.

PE-22-28 is supplied as a lyophilized solid with a white to off-white appearance. Researchers should reconstitute in sterile bacteriostatic water unless their assay calls for a specific buffer (e.g., 0.1% acetic acid for hydrophobic peptides). Quality Peptide USA publishes the full chemical-identity card on every product page so that incoming-QC checks can be performed against a known reference.