LY1
Based on 1 Customer Validation
LY1 is a potent, selective and covalent inhibitor against both SARS-CoV-2 PLpro and Mpro with Kd values of 1.5 μM and 2.3 μM for Mpro C145A protein and PLpro C111A protein, respectively. LY1 potent against the viral proteases, with IC50s of 0.12 μM and 0.99 μM against Mpro and PLpro. LY1 shows high selectivity over other kinases, human proteases and metalloenzyme.
For research use only. We do not sell to patients.
- Purity: 98.01%
- CAS No.: 2883813-32-7
- Formula: C20H19ClN4O3S
- Molecular Weight:430.91
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Storage:
4°C, protect from light, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
Kd: 1.5 μM (Mpro C145A protein) and 2.3 μM (PLpro C111A protein)[1].
IC50: 0.12 μM (Mpro protease) and 0.99 μM (PLpro protease)[1].
In SARS-CoV-2-infected Vero E6 cells, LY1 causes a dramatic reduction in the viral nucleoprotein (NP) levels with 5 μM. A 99.99% reduction in the viral RdRP RNA levels is observed with 15 μM LY1[1].
LY1 against cathepsin B and cathepsin L with the IC50 values of 8.8 μM and 2.2 μM, respectively[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 2883813-32-7
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Appearance Solid
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Molecular Weight 430.91
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Formula C20H19ClN4O3S
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Color Pale purple to purple
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SMILES
O=C1C=C(C2=NS(=O)(C3=C2C1=CC=C3)=O)NC4=C(C=CC=C4)N5CCNCC5.Cl
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, protect from light, stored under nitrogen
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
Solvent & Solubility
DMSO : 50 mg/mL (116.03 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (5.80 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (5.80 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL. * In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
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Data Sheet (278 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.3207 mL | 11.6034 mL | 23.2067 mL | 58.0168 mL |
| 5 mM | 0.4641 mL | 2.3207 mL | 4.6413 mL | 11.6034 mL | |
| 10 mM | 0.2321 mL | 1.1603 mL | 2.3207 mL | 5.8017 mL | |
| 15 mM | 0.1547 mL | 0.7736 mL | 1.5471 mL | 3.8678 mL | |
| 20 mM | 0.1160 mL | 0.5802 mL | 1.1603 mL | 2.9008 mL | |
| 25 mM | 0.0928 mL | 0.4641 mL | 0.9283 mL | 2.3207 mL | |
| 30 mM | 0.0774 mL | 0.3868 mL | 0.7736 mL | 1.9339 mL | |
| 40 mM | 0.0580 mL | 0.2901 mL | 0.5802 mL | 1.4504 mL | |
| 50 mM | 0.0464 mL | 0.2321 mL | 0.4641 mL | 1.1603 mL | |
| 60 mM | 0.0387 mL | 0.1934 mL | 0.3868 mL | 0.9669 mL | |
| 80 mM | 0.0290 mL | 0.1450 mL | 0.2901 mL | 0.7252 mL | |
| 100 mM | 0.0232 mL | 0.1160 mL | 0.2321 mL | 0.5802 mL |
LY1 Related Classifications
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