SHEET /m/substance-p · PubChem CID 36511 · CAS 33507-63-0 · REV 2026.07
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Substance P
from sourceC63H98N18O13S · 1347.6 g/mol
SP · Neurokinin P
What is Substance P?
The neuropeptide nerve endings release to report pain and itch. Capsaicin works partly by exhausting a nerve's supply of it. from source
CategoryBody
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Fig. 1 · 2D structure RDKit
SMILES
CC(C)C[C@@H](C(=O)N[C@@H](CCSC)C(=O)N)NC(=O)CNC(…213 charactersWhere you'll find it
Your own body makes this one. It is not an ingredient you buy. See the rest of the body group.
Toxicity & hazards
WarningIrritantH302, H312, H332from source
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Where Substance P leads
Relatedcomputed
Bradykinin60% similarBoth carry an amide and an amine group.Calcitonin52% similarBoth carry an amide and an amine group.Cholecystokinin48% similarBoth carry an amide and an amine group.Ghrelin43% similarBoth carry an amide and an amine group.Tesamorelin41% similarBoth carry an amide and an amine group.Tirzepatide39% similarBoth carry an amide and an amine group.