1. Epigenetics
    Stem Cell/Wnt
    Protein Tyrosine Kinase/RTK
    JAK/STAT Signaling
  2. JAK
  3. Deuruxolitinib-d8

Deuruxolitinib-d8  (Synonyms: CTP-543; Ruxolitinib d8; Deuterated Ruxolitinib)

Cat. No.: HY-50856S
Handling Instructions

Deuruxolitinib, a deuterated Ruxolitinib (HY-50856), modulates the activity of JAK1/JAK2. Deuruxolitinib can be used for the research hair loss disorders (from patent WO2017192905A1, compound I).

For research use only. We do not sell to patients.

Deuruxolitinib-d<sub>8</sub> Chemical Structure

Deuruxolitinib-d8 Chemical Structure

CAS No. : 1513883-39-0

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Deuruxolitinib, a deuterated Ruxolitinib (HY-50856), modulates the activity of JAK1/JAK2. Deuruxolitinib can be used for the research hair loss disorders (from patent WO2017192905A1, compound I)[1].

IC50 & Target[1]





In Vitro

"Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs[2].
Potential advantages of deuterated compounds:
(1) Extend the half-life in vivo. Deuterated compounds may be able to prolong the pharmacokinetic characteristics of the compound, that is, prolong the half-life in vivo. This can improve compound safety, efficacy and tolerability, and increase ease of administration.
(2) Improve oral bioavailability. Deuterated compounds may reduce the degree of unwanted metabolism (first-pass metabolism) in the gut wall and liver, allowing a greater proportion of the unmetabolized drug to reach its target site of action. High bioavailability determines its activity at low doses and better tolerance.
(3) Improve metabolic characteristics. Deuterated compounds may reduce the formation of toxic or reactive metabolites and improve drug metabolism.
(4) Improve drug safety. Deuterated compounds may reduce or eliminate adverse side effects of pharmaceutical compounds and are safe.
(5) Preserve the therapeutic properties. Deuterated compounds are expected to retain similar biochemical potency and selectivity to hydrogen analogs in previous studies.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Clinical Trial
Molecular Weight





N#CC[[email protected]@H](N1N=CC(C2=C3C(NC=C3)=NC=N2)=C1)C4C([2H])(C([2H])(C([2H])(C4([2H])[2H])[2H])[2H])[2H]


Room temperature in continental US; may vary elsewhere.


Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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