H-89 2HCl chemical structure
Chemical structureResearch use only
CAT. NO. DC7835Featured

H-89 2HCl

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Product overview

Description & Application

H-89 dihydrochloride is a potent inhibitor of protein kinase A (PKA) with an IC50 of 48 nM and has weak inhibition on PKG, PKC, Casein Kinase.

ParameterValue
Chemical NameH-89 Dihydrochloride
CAS No.130964-39-5
Synonyms5-Isoquinolinesulfonamide,N-[2-[[3-(4-bromophenyl)-2-propen-1-yl]amino]ethyl]-, hydrochloride (1:2);N-[2-(p-Bromocinnamylamino)ethyl]-5-isoquinoline Sulfonamide Dihydrochloride;H-89 dihydrochloride hydrate;H 89 2HCl;5-Isoquinolinesulfonamide,N-[2-[[3-(4-bromophenyl)-2-propen-1-yl]amino]ethyl]-, hydrochloride ...;H 89 dihydrochloride;H-89, Dihydrochloride;Protein kinase inhibitor H-89 dihydrochloride;H-89 hydrate dihydrochloride;(E)-N-(2-(4-bromocinnamylamino)ethyl)isoquinoline-5-sulfonamide dihydrochloride;(E)-N-(2-((3-(4-bromophenyl)allyl)amino)ethyl)isoquinoline-5-sulfonamide dihydrochloride;N-[2-[[3-(4-BroMophenyl)-2-propen-1-yl]aMino]ethyl]-5-isoquinolinesulfonaMide Hydrochloride;5-IsoquinolinesulfonaMide, N-[2-[[3-(4-broMophenyl)-2-propenyl]aMino]ethyl]-, dihydrochloride;N-[2-[[3-(4-Bromophenyl)-2-Propen-1-Yl]Amino]Ethyl]-5-Isoquinolinesulfonamide Hydrochloride (1:2);H-89 Dihydrochloride Hydrate,N-[2-(P-Bromocinnamylamino)Et;H-89 dihydrochloride
FormulaC20H22BrCl2N3O2S
M.Wt519.279
SMILESO=S(C1=CC=CC2=C1C=CN=C2)(NCCNC/C=C/C3=CC=C(Br)C=C3)=O.Cl.Cl
Purity>98%
Storage2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

Biological Activity

H-89 dihydrochloride is a potent inhibitor of protein kinase A (PKA) with an IC50 of 48 nM and has weak inhibition on PKG, PKC, Casein Kinase.

In Vitro

H-89 inhibits protein kinase A, in competitive fashion against ATP. H-89 causes a dose-dependent inhibition of the forskolin-induced protein phosphorylation, with no decrease in intracellular cyclic AMP levels in PC12D cells. H-89 significantly inhibits the forskolin-induced neurite outgrowth from PC12D cells. H-89 (30 μM) inhibits significantly cAMP-dependent histone IIb phosphorylation activity in PC12D cell lysates[1]. H-89 (1-2 μM) significantly slows the repriming rate in rat skinned fibres, most likely due to it deleteriously affecting the T-system potential. H-89 (10-100 μM) inhibits net Ca2+ uptake by the SR and affectes the Ca2+-sensitivity of the contractile apparatus in rat skinned fibres[2].

In Vivo

H-89 (0.2 mg/100g, i.p.) significantly increases seizure latency and threshold in PTZ-treated animals. H-89 (0.05, 0.2 mg/100 g, i.p.) prevents the epileptogenic activity of bucladesine (300 nM) with significant increase of seizure latency and seizure threshold[3].

References & source

DC Chemicals original product information

Published experimental findings depend on the model and assay conditions. They do not guarantee equivalent performance in every application. For laboratory research use only.

Product documentation

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Handling guide

2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

Solution calculator

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