Benzamidine

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Benzamidine
Skeletal formula
Ball-and-stick model
Names
IUPAC name
Benzenecarboximidamide
Identifiers
618-39-3 YesY
ChEBI CHEBI:41033 YesY
ChEMBL ChEMBL20936 YesY
ChemSpider 2242 YesY
7566
Jmol-3D images Image
KEGG C01784 YesY
PubChem 2332
Properties
C7H8N2
Molar mass 120.15 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 YesY verify (what isYesY/N?)
Infobox references

Benzamidine is a reversible competitive inhibitor of trypsin, trypsin-like enzymes and serine proteases.

It is often used as a ligand in protein crystallography to prevent proteases from degrading a protein of interest; the triangular diamine group at the bottom gives it a very obvious 'stick-man' shape which shows up in difference density maps.