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ACA-28

Cat No.:V46037 Purity: ≥98%
ACA-28 (compound 2a) is a potent modulator of ERK MAPK signaling.
ACA-28
ACA-28 Chemical Structure CAS No.: 948044-25-5
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
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Product Description
ACA-28 (compound 2a) is a potent modulator of ERK MAPK signaling. ACA-28 causes apoptosis through excessive activation of ERK and selectively inhibits cancer/tumor cell growth. ACA-28 suppresses the growth of melanoma cells (SK-MEL-28) and normal melanocytes (NHEM) with IC50s of 5.3 and 10.1 μM, respectively.
ACA-28 (CAS#: 948044-25-5) is a potent modulator of ERK MAPK signaling that selectively inhibits cancer cell growth and induces apoptosis through a unique mechanism involving ERK hyperactivation. Rather than directly inhibiting ERK, ACA-28 triggers sustained ERK activation, which paradoxically leads to apoptosis in cancer cells. It also activates Nrf2 signaling via ROS production.
Biological Activity I Assay Protocols (From Reference)
Targets
ERK MAPK signaling pathway. ACA-28 is an ERK MAPK modulator that induces apoptosis in melanoma cells through excessive ERK activation. It can also activate nuclear factor erythroid 2-related factor 2 (Nrf2) signaling via inducing reactive oxygen species (ROS) production. ACA-28 selectively downregulates DUSP6 and inhibits cancer cell growth.
ln Vitro
ACA-28 inhibits cell growth of melanoma cells (SK-MEL-28) and normal melanocytes (NHEM) with IC50 values of 5.3 microM and 10.1 microM, respectively. In A4-15 cells, ACA-28 (0-10 microM) selectively downregulates DUSP6 and inhibits cell proliferation as measured by WST-8 assay. The compound shows greater potency against cancer cells compared to normal cells, indicating selectivity.
ln Vivo
No detailed in vivo activity data for ACA-28 are provided in the reference sources. The compound is a research tool for studying ERK MAPK signaling and its role in cancer cell apoptosis. In vivo studies would likely involve subcutaneous melanoma xenograft mouse models with daily oral administration for several weeks.
Enzyme Assay
Not explicitly detailed in reference sources. A standard ERK activation assay involves treating cells with ACA-28 (0-10 microM) for varying time periods, lysing cells, and measuring phospho-ERK and total ERK levels by Western blot using specific antibodies. Kinase activity can also be measured using recombinant ERK and a substrate peptide in an in vitro kinase assay.
Cell Assay
Not explicitly detailed in reference sources. A standard cell viability assay for ACA-28 involves seeding SK-MEL-28 melanoma cells in 96-well plates, treating with ACA-28 at 0-10 microM for 72 hours, and measuring cell viability using WST-8 reagent followed by absorbance measurement at 450 nm. IC50 values are calculated from dose-response curves.
Animal Protocol
No in vivo animal experimental protocols for ACA-28 are provided in the reference sources. Typical in vivo studies for ERK modulators involve subcutaneous injection of cancer cells into immunocompromised mice, allowing tumor establishment, and then oral or intraperitoneal administration of ACA-28 daily for 2-4 weeks with monitoring of tumor growth and body weight.
ADME/Pharmacokinetics
Not explicitly detailed in reference sources. ACA-28 has a molecular weight of 316.31 and formula C17H16O6. It is soluble in DMSO (80 mg/mL, 252.92 mM). For in vivo formulation, a mixture of 10% DMSO + 40% PEG300 + 5% Tween80 + 45% saline is used (≥2.5 mg/mL). The compound should be stored as powder at -20degC for long-term stability.
Toxicity/Toxicokinetics
No detailed toxicity data for ACA-28 are provided in the reference sources. As with all research compounds, standard safety precautions should be followed. Toxicity assessments would typically involve monitoring body weight, clinical signs, and tissue histopathology in animal models. The compound is for research use only and not intended for human therapeutic use.
References

[1]. Discovery of new benzhydrol biscarbonate esters as potent and selective apoptosis inducers of human melanomas bearing the activated ERK pathway: SAR studies on an ERK MAPK signaling modulator, ACA-28. Bioorg Chem. 2020 Oct;103:104137.

Additional Infomation
ACA-28 is a research compound not yet approved for clinical use. Its unique mechanism of inducing cancer cell death via ERK hyperactivation represents a potential alternative to conventional ERK inhibitors for melanoma and other cancers. The compound is available for research purposes only. Further studies are needed to evaluate its in vivo efficacy and safety profile.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C17H16O6
Molecular Weight
316.305345535278
Exact Mass
316.094
CAS #
948044-25-5
PubChem CID
44574021
Appearance
White to off-white solid powder
LogP
3.9
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
8
Heavy Atom Count
23
Complexity
383
Defined Atom Stereocenter Count
0
SMILES
COC(=O)OC1=CC=C(C=C1)C(C2=CC=CC=C2)OC(=O)OC
InChi Key
UZLVJKSHIATGCE-UHFFFAOYSA-N
InChi Code
InChI=1S/C17H16O6/c1-20-16(18)22-14-10-8-13(9-11-14)15(23-17(19)21-2)12-6-4-3-5-7-12/h3-11,15H,1-2H3
Chemical Name
[4-[methoxycarbonyloxy(phenyl)methyl]phenyl] methyl carbonate
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~100 mg/mL (~316.15 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (7.90 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (7.90 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (7.90 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.1615 mL 15.8073 mL 31.6146 mL
5 mM 0.6323 mL 3.1615 mL 6.3229 mL
10 mM 0.3161 mL 1.5807 mL 3.1615 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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