EHNA hydrochloride

Pricing Availability   Qty
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 (9)

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.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility Data

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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

Product Datasheets

Certificate of Analysis / Product Datasheet
Select another batch:


References are publications that support the biological activity of the product.

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.

View Related Products by Product Action

View all Deaminase Inhibitors

Keywords: EHNA hydrochloride, EHNA hydrochloride supplier, PDE2, inhibitors, inhibits, adenosines, deaminases, Phosphodiesterases, Deaminases, Other, Adenosine, Stem, Cell, Proliferation, 1261, Tocris Bioscience

9 Citations for EHNA hydrochloride

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

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

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

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

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

Yang et al (2010) Adenosine mediated desensitization of cAMP signaling enhances T-cell responses. Eur J Immunol 40 449 PMID: 19950175

Lindquist (2012) Adenosine receptor activation is responsible for prolonged depression of synaptic transmission after spreading depolarization in brain slices. Neuroscience 223 365 PMID: 22864185

Uckert (2001) Characterization and functional relevance of cyclic nucleotide phosphodiesterase isoenzymes of the human prostate. J Urol 166 2484 PMID: 11696815

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

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

Reviews for EHNA hydrochloride

There are currently no reviews for this product. Be the first to review EHNA hydrochloride and earn rewards!

Have you used EHNA hydrochloride?

Submit a review and receive an Amazon gift card.

$50/€35/£30/$50CAN/¥300 Yuan/¥5000 Yen for first to review with an image

$25/€18/£15/$25CAN/¥75 Yuan/¥1250 Yen for a review with an image

$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image

Submit a Review

Literature in this Area

Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* or download your copy today!

*Please note that Tocris will only send literature to established scientific business / institute addresses.


Cancer Research Product Guide

A collection of over 750 products for cancer research, the guide includes research tools for the study of:

  • Cancer Metabolism
  • Epigenetics in Cancer
  • Receptor Signaling
  • Cell Cycle and DNA Damage Repair
  • Angiogenesis
  • Invasion and Metastasis