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> Leupeptin (hemisulfate) [103476-89-7]

Leupeptin (hemisulfate) [103476-89-7]

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Katalog-Nummer HY-18234A-5mg

Size : 5mg

Marke : MedChemExpress

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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.

  • Protocol 1

    Add each solvent one by one:  PBS

    Solubility: 100 mg/mL (210.27 mM); Clear solution; Need ultrasonic and warming and heat to 60°C

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).

  • [1]. Aoyagi T, et al. Biological activities of leupeptins. J Antibiot (Tokyo). 1969 Nov;22(11):558-68.  [Content Brief]

    [2]. Fu L, et al. Mechanism of Microbial Metabolite Leupeptin in the Treatment of COVID-19 by Traditional Chinese Medicine Herbs. mBio. 2021 Oct 26;12(5):e0222021.  [Content Brief]

    [3]. Haspel J, et al. Characterization of macroautophagic flux in vivo using a leupeptin-based assay. Autophagy. 2011 Jun;7(6):629-42.  [Content Brief]

    [4]. Aoyagi T, et al. Biological activities of leupeptins. J Antibiot (Tokyo). 1969 Nov;22(11):558-68.

  • [1]. Aoyagi T, et al. Biological activities of leupeptins. J Antibiot (Tokyo). 1969 Nov;22(11):558-68.

    [2]. Fu L, et al. Mechanism of Microbial Metabolite Leupeptin in the Treatment of COVID-19 by Traditional Chinese Medicine Herbs. mBio. 2021 Oct 26;12(5):e0222021.

    [3]. Haspel J, et al. Characterization of macroautophagic flux in vivo using a leupeptin-based assay. Autophagy. 2011 Jun;7(6):629-42.

    [4]. Aoyagi T, et al. Biological activities of leupeptins. J Antibiot (Tokyo). 1969 Nov;22(11):558-68.

* 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 (sealed storage, away from moisture). 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
H2O 1 mM 2.1027 mL 10.5133 mL 21.0265 mL 52.5663 mL
5 mM 0.4205 mL 2.1027 mL 4.2053 mL 10.5133 mL
10 mM 0.2103 mL 1.0513 mL 2.1027 mL 5.2566 mL
15 mM 0.1402 mL 0.7009 mL 1.4018 mL 3.5044 mL
20 mM 0.1051 mL 0.5257 mL 1.0513 mL 2.6283 mL
25 mM 0.0841 mL 0.4205 mL 0.8411 mL 2.1027 mL
30 mM 0.0701 mL 0.3504 mL 0.7009 mL 1.7522 mL
40 mM 0.0526 mL 0.2628 mL 0.5257 mL 1.3142 mL
50 mM 0.0421 mL 0.2103 mL 0.4205 mL 1.0513 mL
60 mM 0.0350 mL 0.1752 mL 0.3504 mL 0.8761 mL
80 mM 0.0263 mL 0.1314 mL 0.2628 mL 0.6571 mL
100 mM 0.0210 mL 0.1051 mL 0.2103 mL 0.5257 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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  • Metabolic Enzyme/Protease Anti-infection
  • Cathepsin Ser/Thr Protease Virus Protease
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Leupeptin hemisulfate103476-89-7CathepsinSer/Thr ProteaseVirus ProteaseSerine proteasesSerine endopeptidasesThreonine proteasesMproSARS-CoV-2Vero cellscathepsinserine proteasesthreonine proteasescysteine proteasesInhibitorinhibitorinhibit

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