1-Naphthohydroxamic acid (Compound 2) is a potent and selective inhibitor of histone deacetylase 8 (HDAC8), with an IC₅₀ of 14 μM. It demonstrates high selectivity for HDAC8 over other HDAC isoforms, showing minimal activity against class I HDAC1 and class II HDAC6 (IC₅₀ > 100 μM). Unlike broad-spectrum HDAC inhibitors, 1-Naphthohydroxamic acid does not increase global histone H4 acetylation or reduce total intracellular HDAC activity, but it effectively induces tubulin acetylation. This selective profile makes it a valuable tool for studying HDAC8-specific functions.
1-Naphthohydroxamic acid (Compound 2) is a potent and selective inhibitor of histone deacetylase 8 (HDAC8), with an IC₅₀ of 14 μM. It demonstrates high selectivity for HDAC8 over other HDAC isoforms, showing minimal activity against class I HDAC1 and class II HDAC6 (IC₅₀ > 100 μM). Unlike broad-spectrum HDAC inhibitors, 1-Naphthohydroxamic acid does not increase global histone H4 acetylation or reduce total intracellular HDAC activity, but it effectively induces tubulin acetylation. This selective profile makes it a valuable tool for studying HDAC8-specific functions.
Product Information
Catalog Num
A24049
Formula
C11H9NO2
Molecular Weight
187.19
CAS Number
6953-61-3
SMILES
O=C(C1=C2C=CC=CC2=CC=C1)NO
Storage
Store lyophilized at -20ºC, keep desiccated. In lyophilized form, the chemical is stable for 36 months. In solution, store at -20ºC and use within 1 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.
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