2. Metabolic Enzyme/Protease
  3. Endogenous Metabolite
  4. L-Leucyl-L-Leucine methyl ester hydrochloride

L-Leucyl-L-Leucine methyl ester hydrochloride  (Synonyms: LLOMe hydrochloride; Leu-Leu methyl ester hydrochloride; H-Leu-Leu-OMe hydrochloride)

Cat. No.: HY-129905 Purity: 99.58%
COA Handling Instructions

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L-Leucyl-L-Leucine methyl ester (LLOMe) hydrochloride, a dipeptide condensation product of L-leucine methyl ester generated by human monocytes or polymorphonuclear leukocytes, selectively eliminates lymphocytes with cytotoxic potential. L-Leucyl-L-Leucine methyl ester hydrochloride also can induce endolysosomal pathway stress.

For research use only. We do not sell to patients.

L-Leucyl-L-Leucine methyl ester hydrochloride Chemical Structure

L-Leucyl-L-Leucine methyl ester hydrochloride Chemical Structure

CAS No. : 6491-83-4

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10 mM * 1 mL in DMSO
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Based on 6 publication(s) in Google Scholar

Other Forms of L-Leucyl-L-Leucine methyl ester hydrochloride:

L-Leucyl-L-Leucine methyl ester hydrochloride Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

L-Leucyl-L-Leucine methyl ester (LLOMe) hydrochloride, a dipeptide condensation product of L-leucine methyl ester generated by human monocytes or polymorphonuclear leukocytes, selectively eliminates lymphocytes with cytotoxic potential. L-Leucyl-L-Leucine methyl ester hydrochloride also can induce endolysosomal pathway stress[1][2][3].

In Vitro

L-Leucyl-L-Leucine methyl ester (1 mM; 0.5-2 h) enhances LRRK2-mediated Rab10 and Rab12 phosphorylation in MEFs and A549 cells[3].
L-Leucyl-L-Leucine methyl ester (10-250 μM; 15 min) is converted to a CCI3COOH-insoluble product by CD4- lymphocytes[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

L-Leucyl-L-Leucine methyl ester hydrochloride Related Antibodies
Molecular Weight

294.82

Formula

C13H27ClN2O3
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

CC(C)C[C@@H](C(OC)=O)NC([C@H](CC(C)C)N)=O.[H]Cl
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : 250 mg/mL (847.98 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.3919 mL 16.9595 mL 33.9190 mL
5 mM 0.6784 mL 3.3919 mL 6.7838 mL
View the 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 (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.

  • Molarity Calculator

  • Dilution Calculator

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:

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.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.08 mg/mL (7.06 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.08 mg/mL (7.06 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
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.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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).
Calculation results:
Working solution concentration: 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 (sealed storage, away from moisture)

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).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
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

Purity: 99.58%

COA (247 KB) HNMR (254 KB) RP-HPLC (251 KB) MS (72 KB)

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 (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
DMSO 1 mM 3.3919 mL 16.9595 mL 33.9190 mL 84.7975 mL
5 mM 0.6784 mL 3.3919 mL 6.7838 mL 16.9595 mL
10 mM 0.3392 mL 1.6960 mL 3.3919 mL 8.4798 mL
15 mM 0.2261 mL 1.1306 mL 2.2613 mL 5.6532 mL
20 mM 0.1696 mL 0.8480 mL 1.6960 mL 4.2399 mL
25 mM 0.1357 mL 0.6784 mL 1.3568 mL 3.3919 mL
30 mM 0.1131 mL 0.5653 mL 1.1306 mL 2.8266 mL
40 mM 0.0848 mL 0.4240 mL 0.8480 mL 2.1199 mL
50 mM 0.0678 mL 0.3392 mL 0.6784 mL 1.6960 mL
60 mM 0.0565 mL 0.2827 mL 0.5653 mL 1.4133 mL
80 mM 0.0424 mL 0.2120 mL 0.4240 mL 1.0600 mL
100 mM 0.0339 mL 0.1696 mL 0.3392 mL 0.8480 mL
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L-Leucyl-L-Leucine methyl ester hydrochloride Related Classifications

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:

L-Leucyl-L-Leucine methyl ester6491-83-4LLOMeLeu-Leu methyl esterH-Leu-Leu-OMeEndogenous MetabolitemonocytespolymorphonuclearleukocyteslymphocytescytotoxicendolysosomalpathwaystressInhibitorinhibitorinhibit

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