Sequence & Structure
Dihexa Sequence, Molecular Weight & Chemical Identity
3 min read•Published 2025-05-11•Quality Peptide USA Research
Dihexa (PNB-0408 / N-hexanoic-Tyr-Ile-(6) aminohexanoic amide) is a small peptide derived from angiotensin IV. It is studied in synaptogenesis and cognitive research models for its reported potency in promoting hepatocyte growth factor (HGF) / c-Met signaling.. This guide covers sequence & structure for Dihexa — written for laboratory researchers sourcing US-synthesized peptides from Quality Peptide USA.
Primary Sequence
The primary sequence of Dihexa is recorded as: N-hexanoic-Tyr-Ile-(6)-aminohexanoic amide. 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.
Molecular Formula and Weight
Dihexa carries the molecular formula C26H42N4O5 and a calculated monoisotopic weight of approximately ≈ 490.64 g/mol. These values are essential for accurate molar-concentration calculations during reconstitution and for normalizing dose curves across studies.
Identifiers and Synonyms
CAS Registry: not assigned in publicly indexed registries. Dihexa 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.
Structural Notes for Researchers
Dihexa 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.
Research Use Only
All content is for laboratory and in-vitro research contexts only. Not intended to diagnose, treat, or prevent any condition. Not for human or veterinary consumption.
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