Peptidolabs

Plasma Concentration Studies

VIP

Vasoactive Intestinal Peptide

VIP-28

CAS: 37221-79-7

A 28-residue neuropeptide of the secretin/glucagon superfamily. It signals through the class II G-protein-coupled receptors VPAC1 and VPAC2, activating adenylate cyclase to raise cAMP and downstream PKA signaling. Premium Research Peptide

99%+ Purity

Purity Tested

Research Use Only

Laboratory Use

Peptide Profile

Peptide Type

Certificate of Analysis

Third Party Tested by Freedom Diagnostics

99.60%
HPLC purity · meets spec
Labeled
10mg
Measured
10.22mg
Identity
Confirmed
Heavy metals
Not Detected
Sterility
No Growth
Endotoxin
< 0.05 EU/mL
Tested
Aug 3, 2026

Compound Information

Technical specifications

🧬 Molecular Profile
What Is VIP?

Neuropeptide

VPAC1 / VPAC2

Type
Neuropeptide (VPAC agonist)
CAS Number
37221-79-7
Molecular Formula
C147H237N43O43S
Molecular Weight
3326.8 g/mol
Amino Acids
28 (amidated)
Half-Life
~2 minutes
🧊 Storage Requirements
Stability Information

Freeze for storage

Refrigerate after reconstitution

Protect from light

Lyophilized (powder)

-20°C long-term

Reconstituted

2-8°C

Light protection

Store away from light

VIP
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