VIP

VIP is a naturally occurring 28-amino acid neuropeptide of the secretin–glucagon superfamily. Studied in research involving VPAC1 and VPAC2 receptor signaling, cytokine balance, and smooth muscle tone.

Compound

VIP (vasoactive intestinal peptide), 28-amino-acid peptide

CAS number

40077-57-4

Molecular weight

3325.8 g/mol

Form

Lyophilized powder in a sealed glass vial

Strength

10mg per vial

Purity

>99% (brand-wide standard), measured 99.21% on the current lot

Testing

HPLC purity, mass spectrometry identity, bacterial endotoxin (pass), run by Horizon Analytical

Documentation

Lot 2117980, tested Jul 30, 2026 certificate of analysis

Storage

Lyophilized: sealed at -20°C, protected from light and moisture.

Origin

Vialed, finished, tested and shipped in the USA

Intended use

Research use only. Not for human or veterinary use.

Pricing and ordering are available to signed-in research accounts.