NCT-501 hydrochloride

Modify Date: 2025-08-25 18:28:33

NCT-501 hydrochloride Structure
NCT-501 hydrochloride structure
Common Name NCT-501 hydrochloride
CAS Number 2080306-22-3 Molecular Weight 452.98
Density N/A Boiling Point N/A
Molecular Formula C21H33ClN6O3 Melting Point N/A
MSDS N/A Flash Point N/A

 Use of NCT-501 hydrochloride


NCT-501 hydrochloride is a potent and selective theophylline-based inhibitor of aldehyde dehydrogenase 1A1 (ALDH1A1), inhibits hALDH1A1 with IC50 of 40 nM, typically shows better selectivity over other ALDH isozymes and other dehydrogenases (hALDH1B1, hALDH3A1, and hALDH2, IC50 >57 μM)[1][2].

 Names

Name NCT-501 hydrochloride

 NCT-501 hydrochloride Biological Activity

Description NCT-501 hydrochloride is a potent and selective theophylline-based inhibitor of aldehyde dehydrogenase 1A1 (ALDH1A1), inhibits hALDH1A1 with IC50 of 40 nM, typically shows better selectivity over other ALDH isozymes and other dehydrogenases (hALDH1B1, hALDH3A1, and hALDH2, IC50 >57 μM)[1][2].
Related Catalog
Target

IC50: 40 nM (hALDH1A1)[2]

In Vitro NCT-501 shows a 16% decrease in the Cal-27 CisR cell line at 20 nM concentration, though the difference was not statistically significant[1].
In Vivo NCT-501 (100 µg/animal; i.t.; every alternate day for 20 days) shows a 78% inhibition in tumor growth in Cal-27 CisR derived xenografts[1].
References

[1]. Kulsum S et al. Cancer stem cell mediated acquired chemoresistance in head and neck cancer can be abrogated by Aldehydedehydrogenase 1 A1 inhibition.

[2]. Yang SM, et al. Discovery of NCT-501, a Potent and Selective Theophylline-Based Inhibitor of Aldehyde Dehydrogenase 1A1(ALDH1A1). J Med Chem. 2015 Aug 13;58(15):5967-5978.

 Chemical & Physical Properties

Molecular Formula C21H33ClN6O3
Molecular Weight 452.98
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