YH-53 |
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Catalog No.GC63262
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YH-53 is a potent 3CLpro inhibitor with Ki values of 6.3 nM, 34.7 nM for SARS-CoV-1 3CLpro and SARS-CoV-2 3CLpro, respectively.
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 1471484-62-4
Sample solution is provided at 25 µL, 10mM.
YH-53 is a potent 3CLpro inhibitor with Ki values of 6.3 nM, 34.7 nM for SARS-CoV-1 3CLpro and SARS-CoV-2 3CLpro, respectively. YH-53 strongly blocks the SARS-CoV-2 replication. YH-53 is a peptidomimetic compound with a unique benzothiazolyl ketone. YH-53 has the potential for COVID-19 research[1][2].
YH-53 (1-25 μM; for 24 h) efficiently reduces copies of total RNA with increased concentrations in VeroE6/TMPRSS2 cells[1]. YH-53 (1, 5, 10, 15, 20, 25 μM; for 48 h) with 10 μM completely blocks the viral proliferation against SARS-CoV-2 were examined by a cytopathic effect (CPE) assay in Vero cells[1]. YH-53 (10, 100 μM; for 24 h) has no cytotoxicity with a CC50 value of >100 μM in vero cells[1]. YH-53 (10 μM) moderately inhibits CYP1A2, CYP2D6, and CYP2C8 (26.6%, 38.0%, 66.4%, respectively). YH-53 has no inhibition on CYP2C9 and CYP3A4[1]. YH-53 inhibits SARS-CoV 3CLpro with an IC50 of 0.74 μM.
YH-53 (0.1 mg/kg; iv) has a T1/2 of 2.97 hours, an AUC0-∞ of 19.7 ng•h/mL, a Vd of 3.51 L/kg in rats[1]. YH-53 (0.5 mg/kg; oral) has a T1/2 of 9.64 hours, an AUC0-∞ of 3.49 ng•h/mL, a Cmax of 1.08 ng/mL in rats[1].
[1]. Sho Konno, et al. 3CL Protease Inhibitors with an Electrophilic Arylketone Moiety as Anti-SARS-CoV-2 Agents. J Med Chem. 2021 Jul27;acs.jmedchem.1c00665.
[2]. Pillaiyar Thanigaimalai, et al. Development of potent dipeptide-type SARS-CoV 3CL protease inhibitors with novel P3 scaffolds: design, synthesis, biological evaluation, and docking studies. Eur J Med Chem. 2013 Oct;68:372-84.
| Cas No. | 1471484-62-4 | SDF | |
| Formula | C30H33N5O5S | M.Wt | 575.68 |
| Solubility | DMSO : 50 mg/mL (86.85 mM; Need ultrasonic) | Storage | |
| General tips | Please select the appropriate solvent to prepare the stock solution according to the
solubility of the product in different solvents; once the solution is prepared, please store it in
separate packages to avoid product failure caused by repeated freezing and thawing.Storage method
and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored
at -20°C, please use it within 1 month. To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time. |
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| Shipping Condition | Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request. | ||
| Prepare stock solution | |||
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1 mg | 5 mg | 10 mg |
| 1 mM | 1.7371 mL | 8.6854 mL | 17.3708 mL |
| 5 mM | 347.4 μL | 1.7371 mL | 3.4742 mL |
| 10 mM | 173.7 μL | 868.5 μL | 1.7371 mL |
Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)
Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)
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 addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL saline, 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.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.
3. All of the above co-solvents are available for purchase on the GlpBio website.
Quality Control & SDS
- View current batch:
- Purity: >98.00% Appearance: A solid
- COA (Certificate of Analysis)
- SDS (Safety Data Sheet)
- Datasheet
Average Rating: 5 (Based on Reviews and 10 reference(s) in Google Scholar.)















