Etrasimod

This product is for research use only, not for human use. We do not sell to patients.

Etrasimod
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Cat #: V20842 CAS #: 1206123-37-6 Purity ≥ 98%

Description: Etrasimod (formerly APD334; APD3-34) is a potent, centrally bioavailable, functional antagonists of the S1P1 receptor for use as next generation therapeutics for treating multiple sclerosis (MS) and other autoimmune diseases.

References: Buzard DJ, et al. Discovery of APD334: Design of a Clinical Stage Functional Antagonist of the Sphingosine-1-phosphate-1 Receptor. ACS Med Chem Lett. 2014 Nov 4; 5(12):1313-7.

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Molecular Weight (MW)457.48
Molecular FormulaC26H26F3NO3
CAS No.1206123-37-6
ProtocolIn VitroThe APD334 is a novel, selective, and functional S1P1 Antagonists. S1P expressing the HA tag1 The IC of APD334 was found in CHO cells50 The value is 1.88 nM. Observed in human S1P4 and S1P5 but lower than S1P in potency and efficacy1。 APD334 to Human S1P2 and S1P3 There is no agitation or antagonism. APD334 achieves good central exposure after oral administration and has a good pharmacokinetic profile in multiple preclinical species. S1P1Active in mice (EC50=0.44 nM), rat (EC50=0.32 nM), dog (EC>50=0.34 nM) and monkey (EC50=0.32 nM)
In VivoAPD334 has relatively low systemic clearance (<4% hepatic blood flow) and high C in all species.max。 A significant decrease in volume of distribution (VSS) relative to rodents was observed in dogs and monkeys. Oral bioavailability is in the 40-100% range, with terminal half-lives ranging from 6 hours in monkeys to 29 hours in dogs. Siponimod (another S1P1 modulator currently undergoing human trials) in rats and monkeys1/2 The values are already publicly available, 6 and 19 hours, respectively
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM2.1859 mL10.9294 mL21.8589 mL43.7178 mL
5mM0.4372 mL2.1859 mL4.3718 mL8.7436 mL
10mM0.2186 mL1.0929 mL2.1859 mL4.3718 mL
20mM0.1093 mL0.5465 mL1.0929 mL2.1859 mL
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
=
Concentration
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Volume
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Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

Concentration(start)
C1
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Volume(start)
V1
=
Concentration(final)
C2
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Volume(final)
V2
Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

Calculation Results:
Working concentration: mg/ml;
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 add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
  • (2) Be sure to add the solvent(s) in order.