(S)-crizotinib

(S)-crizotinib, the (S)-enantiomer of crizotinib, is a potent MTH1 (NUDT1) inhibitor with IC50 of 72 nM in a cell-free assay.

(S)-crizotinib Chemical Structure

(S)-crizotinib Chemical Structure

CAS No. 1374356-45-2

Purity & Quality Control

(S)-crizotinib Related Products

Biological Activity

Description (S)-crizotinib, the (S)-enantiomer of crizotinib, is a potent MTH1 (NUDT1) inhibitor with IC50 of 72 nM in a cell-free assay.
Features MTH1 (NUDT1)- selective inhibitor.
Targets
NUDIX1 [1] MTH1 [1]
(Cell-free assay)
72 nM
In vitro
In vitro (S)-crizotinib disrupts nucleotide pool homeostasis via MTH1 inhibition, induces an increase in DNA single-strand breaks, and activates DNA repair in human colon carcinoma cells. [1]
Kinase Assay MTH1 catalytic assay
Half-maximal inhibitory concentrations (IC50) are determined using a luminescence-based assay with some minor modifications. Briefly, serial dilutions of compounds are dissolved in assay buffer (100 mM Tris-acetate pH 7.5, 40 mM NaCl and 10 mM Mg(OAc)2 containing 0.005% Tween-20 and 2 mM dithiothreitol (DTT). Upon addition of MTH1 recombinant protein (final concentration 2 nM), plates are incubated on a plate shaker for 15 min at room temperature. After addition of the substrate dGTP (final concentration 100 µM), 8-oxo-dGTP (final concentration 13.2 µM), or 2-OH-dATP (final concentration 8.3 µM) the generation of pyrophosphate (PPi) as a result of nucleotide triphosphate hydrolysis by MTH1 is monitored over a time course of 15 min using the PPi Light Inorganic Pyrophosphate Assay kit. IC50 values are determined by fitting a dose-response curve to the data points using nonlinear regression analysis using the GraphPad Prism software.
Cell Research Cell lines PANC1 and SW480 cells
Concentrations ~5 礛
Incubation Time 7-10 days
Method

One day before treatment, cells are seeded per well in six-well plates and incubated for 24 h. The next day DMSO (equal to highest amount of compound dilution, maximum 0.2%) or compounds in increasing concentrations were added and cells incubated at 37 °C, 5% CO2, for 7-10 days. After washing with PBS, cells are fixed with ice-cold methanol, stained with crystal violet solution (0.5% in 25% methanol) and left to dry overnight. For quantification of results, ultraviolet absorbance of crystal violet is determined at 595 nm following solubilisation by 70% ethanol. Data are analysed using nonlinear regression analysis using the GraphPad Prism software.

In Vivo
In vivo (S)-Crizotinib (50 mg/kg, orally, daily) impairs tumor growth in an SW480 colon carcinoma xenograft model. [1]
Animal Research Animal Models SW480 colon carcinoma xenograft mouse model.
Dosages 1% DMSO, 10% ethanol, 10% Cremophor, 10% Tween 80, 69% PBS
Administration p.o.

Chemical Information & Solubility

Molecular Weight 450.34 Formula

C21H22Cl2FN5O

CAS No. 1374356-45-2 SDF Download (S)-crizotinib SDF
Smiles CC(C1=C(C=CC(=C1Cl)F)Cl)OC2=C(N=CC(=C2)C3=CN(N=C3)C4CCNCC4)N
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 45 mg/mL ( (99.92 mM) Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Ethanol : 31 mg/mL

Water : Insoluble


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In vivo
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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Frequently Asked Questions

Question 1:
Could you tell me whether this product represents the pure R-form of crizotinib, or is the the racemic Crizotinib, so a mixture of the S- and the R-form?

Answer:
Our S1068 Crizotinib is R enantiomer, and S7505 is S enantiomer. Normally, Crizotinib refers to the R enantiomer

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