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Izencitinib (TD-1473)

Cat No.:V41806 Purity: ≥98%
Izencitinib (TD-1473) is an orally bioactive, non-selective, gut-limited JAK inhibitor.
Izencitinib (TD-1473)
Izencitinib (TD-1473) Chemical Structure CAS No.: 2051918-33-1
Product category: New2
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
Other Sizes
Official Supplier of:
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Product Description
Izencitinib (TD-1473) is an orally bioactive, non-selective, gut-limited JAK inhibitor. Izencitinib (TD-1473) is indicated for use in ulcerative colitis research.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
Human vascular epithelial cell lines (pIC50 ≥ 6.7) and peripheral blood mononuclear cells (PBMC) are not phosphorylated STAT in response to cytokines when izencitinib (TD-1473) is administered [1]. A strong JAK1, JAK2, JAK3, and TYK2 domain inhibitor, is izencitinib (TD-1473), which targets human JAK domains (pKi values of 10.0, 10.0, 8.8, and 9.5, respectively) [1].
ln Vivo
Izencitinib (TD-1473, 1 mg/kg BID) retains body weight and lowers occult blood scores in a mouse oxazolone bilayer inflammatory model [1].
References

[1]. Small-molecule agents for the treatment of inflammatory bowel disease. Bioorg Med Chem Lett. 2019 Aug 15;29(16):2034-2041.

[2]. Development of Gut-Selective Pan-Janus Kinase Inhibitor TD-1473 for Ulcerative Colitis: A Translational Medicine Programme. J Crohns Colitis. 2020 Sep 16;14(9):1202-1213.

[3]. TD-1473, a novel, potent, and orally administered, GI-targeted, pan-Janus kinase (JAK) inhibitor. Journal of Crohn's and Colitis, Volume 10, Issue suppl_1, March 2016, Page S123.

Additional Infomation
Izencitinib is under investigation in clinical trial NCT03920254 (TD-1473 Long-term Safety (LTS) Ulcerative Colitis (UC) Study).
Drug Indication
Treatment of Crohn's disease
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H26N8
Molecular Weight
402.50
Exact Mass
402.228
CAS #
2051918-33-1
PubChem CID
124090478
Appearance
Yellow to orange solid powder
Density
1.3±0.1 g/cm3
Boiling Point
691.8±55.0 °C at 760 mmHg
Flash Point
372.2±31.5 °C
Vapour Pressure
0.0±2.2 mmHg at 25°C
Index of Refraction
1.712
LogP
3.22
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
6
Heavy Atom Count
30
Complexity
620
Defined Atom Stereocenter Count
2
SMILES
CC1=CC(=NN1)NC2=NC(=C3C=CC=NC3=C2)NC4C[C@H]5CC[C@@H](C4)N5CCC#N
InChi Key
DADAEARVGOQWHV-ALOPSCKCSA-N
InChi Code
InChI=1S/C22H26N8/c1-14-10-21(29-28-14)26-20-13-19-18(4-2-8-24-19)22(27-20)25-15-11-16-5-6-17(12-15)30(16)9-3-7-23/h2,4,8,10,13,15-17H,3,5-6,9,11-12H2,1H3,(H3,25,26,27,28,29)/t15?,16-,17+
Chemical Name
3-[(1R,5S)-3-[[7-[(5-methyl-1H-pyrazol-3-yl)amino]-1,6-naphthyridin-5-yl]amino]-8-azabicyclo[3.2.1]octan-8-yl]propanenitrile
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~50 mg/mL (~124.22 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.21 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (6.21 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.4845 mL 12.4224 mL 24.8447 mL
5 mM 0.4969 mL 2.4845 mL 4.9689 mL
10 mM 0.2484 mL 1.2422 mL 2.4845 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(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.

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