1-Hydroxy-7-azabenzotriazole

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1-Hydroxy-7-azabenzotriazole

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1-Hydroxy-7-azabenzotriazole
Identifiers
CAS number 39968-33-7 N
PubChem 181649
ChemSpider 158005 YesY
Jmol-3D images Image 1
Properties
Molecular formula C5H4N4O
Molar mass 136.11 g mol−1
Hazards
EU classification Toxic T
 N (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

1-Hydroxy-7-azabenzotriazole, commonly abbreviated HOAt, is a triazole used as a peptide coupling reagent. It suppresses the loss of chirality.



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