EHNA hydrochloride

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Cat.No. 1261 - EHNA hydrochloride | C14H23N5O.HCl | CAS No. 58337-38-5
Description: Adenosine deaminase inhibitor
Chemical Name: erythro-9-(2-Hydroxy-3-nonyl)adenine hydrochloride
Purity: ≥98% (HPLC)
Citations (6)

Biological Activity

Selective inhibitor of cGMP-stimulated phosphodiesterase (PDE2) (IC50 = 0.8 - 4 μM). Also a potent inhibitor of adenosine deaminase. Suppresses spontaneous differentiation of human ESCs in feeder-free conditions. Also prevents directed neuronal differentiation.

Technical Data

M. Wt 313.83
Formula C14H23N5O.HCl
Storage Store at RT
Purity ≥98% (HPLC)
CAS Number 58337-38-5
PubChem ID 11056106
Smiles NC1=NC=NC2=C1N=CN2[C@@H](CCCCCC)[C@H](O)C.Cl

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 31.38 100
ethanol 31.38 100
water 31.38 100

Preparing Stock Solutions

The following data is based on the product molecular weight 313.83. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 3.19 mL 15.93 mL 31.86 mL
5 mM 0.64 mL 3.19 mL 6.37 mL
10 mM 0.32 mL 1.59 mL 3.19 mL
50 mM 0.06 mL 0.32 mL 0.64 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Safety Datasheet


References are publications that support the products' biological activity.

Bessodes et al (1982) Effect of chirality in erythro-9-(2-hydroxy-3-nonyl) adenine (EHNA) on adenosine deaminase inhibition. Biochem.Pharmacol. 31 879 PMID: 7082355

Michie et al (1996) Rapid regulation of PDE-2 and PDE-4 cyclic AMP phosphodiesterase activity following ligation of the T-cell antigen receptor on thymocytes: analysis using the selective inhibitors erythro-9-(2-hydroxy-3-nonyl)-adenine (EHNA) and rolipram. Cell.Signal. 8 97 PMID: 8730511

Podzuweit et al (1995) Isozyme selective inhibition of cGMP-stimulated cyclic nucleotide phosphodiesterases by erythro-9-(2-hydroxy-3-nonyl)adenine. Cell.Signal. 7 733 PMID: 8519602

If you know of a relevant reference for EHNA hydrochloride, please let us know.

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Keywords: EHNA hydrochloride, supplier, PDE2, inhibitors, inhibits, adenosines, deaminases, Phosphodiesterases, Deaminases, Phosphodiesterases, Other, Adenosine, Stem, Cell, Proliferation, Deaminases, Tocris Bioscience

6 Citations for EHNA hydrochloride

Citations are publications that use Tocris products. Selected citations for EHNA hydrochloride include:

Liu et al (2014) Detection of oxidation products of 5-methyl-2'-deoxycytidine in Arabidopsis DNA. Nat Neurosci 8 e84620 PMID: 24391970

Guerrero et al (2013) Induction of 8,5'-cyclo-2'-deoxyadenosine and 8,5'-cyclo-2'-deoxyguanosine in isolated DNA by Fenton-type reagents. Chem Res Toxicol 26 1361 PMID: 23961697

Prakasam et al (2012) Modulation of bladder function by luminal adenosine turnover and A1 receptor activation. PLoS One 303 F279 PMID: 22552934

Takahashi et al (2010) Adenosine and inosine release during hypoxia in the isolated spinal cord of neonatal rats. Br J Pharmacol 161 1806 PMID: 20735412

Li et al (2015) Inhibition of adenosine deaminase (ADA)-mediated metabolism of cordycepin by natural substances. Am J Physiol Renal Physiol 3 e00121 PMID: 26038697

Davidson et al (2016) Alkaline Phosphatase, Soluble Extracellular Adenine Nucleotides, and Adenosine Production after Infant Cardiopulmonary Bypass PLoS One 11 e0158981 PMID: 27384524

Do you know of a great paper that uses EHNA hydrochloride from Tocris? If so please let us know.

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