CJ-042794 (CJ-042794)

Alias: CJ-042794; CJ-042794; CJ-042794; RQ-00015986; RQ-15986
Cat No.:V18401 Purity: ≥98%
CJ-042794 (CJ-042794) is a a novel, potent, and selective prostaglandin EP(4) receptor antagonist, with a mean pKi of 8.5, a binding affinity that was at least 200-fold more selective for the human EP4 receptor than other human EP receptor subtypes (EP1, EP2, and EP3).
CJ-042794 (CJ-042794) Chemical Structure CAS No.: 847728-01-2
Product category: Prostaglandin Receptor
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

CJ-042794 (CJ-042794) is a a novel, potent, and selective prostaglandin EP(4) receptor antagonist, with a mean pKi of 8.5, a binding affinity that was at least 200-fold more selective for the human EP4 receptor than other human EP receptor subtypes (EP1, EP2, and EP3).

Biological Activity I Assay Protocols (From Reference)
Targets
EP ( EC50 = 10 nM )
ln Vitro
CJ-042794 (CJ-042794, 0.3-5000 nM; 10 min; hEP4/HEK293 cells) shows concentration-dependent inhibition of the PGE2-induced elevation of cAMP with a pIC50 value of 7.5[1].
CJ-042794 (3-3000 nM; 24 h) CJ-042794 reverses the inhibitory effects of PGE2 (10 nM) on the LPS-induced production of TNFα in human whole blood (HWB), with a pIC50 value of 6.4 in a concentration-dependent manner[1].
ln Vivo
CJ-042794 (CJ-042794; 0.3-3 mg/kg; i.d.; once) inhibits AE1-329'sHCO3stimulatory action in the duodenum[1].
CJ-042794 (30 and 50 mg/kg; p.o.; once) has no gastric ulcerogenic response and does not harm the gastric mucosa of normal rats in response to cold-restraint stress[1].
CJ-042794 (30 and 50 mg/kg; p.o.; once) does not harm helper arthritis rats' stomachs or small intestines[1].
CJ-042794 (3-45 mg/kg; p.o.; twice daily for 14 d; Sprague-Dawley rats) promotes spontaneous healing of gastric ulcers[1]. The repeated administration of CJ-042794 (10 mg/kg; p.o.; daily, for 7 d) inhibits the healing process of chronic gastric ulcers by downregulating the expression of vascular endothelial growth factor in the ulcerated mucosa[1].
Animal Protocol
Male Sprague-Dawley rats (200-230 g)
0.3, 1, and 3 mg/kg
intradermal injection; once
References

[1]. In vitro pharmacological characterization of CJ-042794, a novel, potent, and selective prostaglandin EP(4) receptor antagonist. Life Sci. 2008 Jan 16;82(3-4):226-32.

[2]. Effect of (S)-4-(1-(5-chloro-2-(4-fluorophenyoxy)benzamido)ethyl) benzoic acid (CJ-42794), a selective antagonist of prostaglandin E receptor subtype 4, on ulcerogenic and healing responses in rat gastrointestinal mucosa. J Pharmacol Exp Ther. 2007 Sep;322(3):903-12.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H17CLFNO4
Molecular Weight
413.8261
Exact Mass
413.08
Elemental Analysis
C, 63.85; H, 4.14; Cl, 8.57; F, 4.59; N, 3.38; O, 15.46
CAS #
847728-01-2
Appearance
Solid powder
SMILES
C[C@@H](C1=CC=C(C=C1)C(=O)O)NC(=O)C2=C(C=CC(=C2)Cl)OC3=CC=C(C=C3)F
InChi Key
MWBNCZHVEXULBD-ZDUSSCGKSA-N
InChi Code
InChI=1S/C22H17ClFNO4/c1-13(14-2-4-15(5-3-14)22(27)28)25-21(26)19-12-16(23)6-11-20(19)29-18-9-7-17(24)8-10-18/h2-13H,1H3,(H,25,26)(H,27,28)/t13-/m0/s1
Chemical Name
4-[(1S)-1-[[5-chloro-2-(4-fluorophenoxy)benzoyl]amino]ethyl]benzoic acid
Synonyms
CJ-042794; CJ-042794; CJ-042794; RQ-00015986; RQ-15986
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: ≥ 28 mg/mL (~67.7 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.04 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 (6.04 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (6.04 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.4165 mL 12.0823 mL 24.1645 mL
5 mM 0.4833 mL 2.4165 mL 4.8329 mL
10 mM 0.2416 mL 1.2082 mL 2.4165 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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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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