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SHEET /m/pembrolizumab · PubChem CID 254741536 · REV 2026.07

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Pembrolizumab

from source

antineoplastic · prescription medicine

Keytruda

What is Pembrolizumab?

A monoclonal antibody cancer medicine sold as Keytruda. It is a protein far too large to draw as a single structure, so this page carries no diagram. from source

No single structure

Pembrolizumab is a large biological molecule or mixture, not a single small molecule. It has no single 2D or 3D structure, molecular weight or SMILES, so PubChem carries the record without a depictable structure.

ClassAntineoplasticinferred

Where you'll find it

Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.

Sources & methodology

PubChem CID
254741536
Wikidata
Q13896859
Data refreshed

How MoleculeFinder sources and labels its data