CAS No. 58-82-2

Bradykinin Chemical Structure
Chemical Structure
Check the Bradykinin product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name (2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[2-[[(2S)-1-[(2S)-1-[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]acetyl]amino]-3-phenylpropanoyl]amino]-3-hydroxypropanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid
CAS Number 58-82-2
Molecular Formula

C50H73N15O11

Molecular Weight (MW) 1060.21
SMILES NC(CCCN=C(N)N)C(=O)N1CCCC1C(=O)N2CCCC2C(=O)NCC(=O)NC(CC3=CC=CC=C3)C(=O)NC(CO)C(=O)N4CCCC4C(=O)NC(CC5=CC=CC=C5)C(=O)NC(CCCN=C(N)N)C(O)=O
InChIKey QXZGBUJJYSLZLT-FDISYFBBSA-N

Ordering Information

Biological Activity

Bradykinin is an endogenous vasodilator peptide that acts through the stimulation of specific endothelial B2 receptors. Activation of these B2 kinin receptors triggers endothelial signaling cascades, resulting in the release of prostacyclin, nitric oxide, and endothelium-derived hyperpolarizing factor. These downstream vasoactive mediators promote vascular smooth muscle relaxation, decrease arterial tone, and enhance organ tissue perfusion. [1][2]

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Note: Technical data last updated: Sep 1, 2026.