1. GPCR/G Protein MAPK/ERK Pathway
  2. Ras
  3. ML-099

ML-099 (CID-888706) is a pan Ras-related GTPases activator that can activate Rac1, cell division cycle 42, Ras, Rab7, and Rab-2A.

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

ML-099 Chemical Structure

ML-099 Chemical Structure

CAS No. : 496775-95-2

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Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 132 In-stock
Solution
10 mM * 1 mL in DMSO USD 132 In-stock
Solid
5 mg USD 120 In-stock
10 mg USD 190 In-stock
25 mg USD 390 In-stock
50 mg USD 620 In-stock
100 mg USD 950 In-stock
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Based on 2 publication(s) in Google Scholar

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Description

ML-099 (CID-888706) is a pan Ras-related GTPases activator that can activate Rac1, cell division cycle 42, Ras, Rab7, and Rab-2A[1].

In Vitro

ML-099 activates cell division cycle 42 activated mutant, cell division cycle 42 wild type, Ras protein wild type, GTP-binding protein (Rab7), Rab-2A, Rac1 protein activated mutant, Rac1 protein wild type, and Ras protein activated mutant with EC50 values of 58.88 nM, 100 nM, 141.25 nM, 181.97 nM, 354.81 nM, 25.42 nM, 20.17 nM and 95.5 nM, respectively[1].

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

Molecular Weight

259.32

Formula

C14H13NO2S

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

OC(C1=CC=CN=C1SCCC2=CC=CC=C2)=O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (385.62 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 3.8562 mL 19.2812 mL 38.5624 mL
5 mM 0.7712 mL 3.8562 mL 7.7125 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. 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: ≥ 2.5 mg/mL (9.64 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.
  • Protocol 2

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

    Solubility: ≥ 2.5 mg/mL (9.64 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.
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).
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
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. 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 3.8562 mL 19.2812 mL 38.5624 mL 96.4060 mL
5 mM 0.7712 mL 3.8562 mL 7.7125 mL 19.2812 mL
10 mM 0.3856 mL 1.9281 mL 3.8562 mL 9.6406 mL
15 mM 0.2571 mL 1.2854 mL 2.5708 mL 6.4271 mL
20 mM 0.1928 mL 0.9641 mL 1.9281 mL 4.8203 mL
25 mM 0.1542 mL 0.7712 mL 1.5425 mL 3.8562 mL
30 mM 0.1285 mL 0.6427 mL 1.2854 mL 3.2135 mL
40 mM 0.0964 mL 0.4820 mL 0.9641 mL 2.4101 mL
50 mM 0.0771 mL 0.3856 mL 0.7712 mL 1.9281 mL
60 mM 0.0643 mL 0.3214 mL 0.6427 mL 1.6068 mL
80 mM 0.0482 mL 0.2410 mL 0.4820 mL 1.2051 mL
100 mM 0.0386 mL 0.1928 mL 0.3856 mL 0.9641 mL
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ML-099 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.

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ML-099
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