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AC-4-130

Alias: AC4130 AC-4130 AC4-130 AC-4-130
Cat No.:V6728 Purity: ≥98%
AC-4-130 is a potent STAT5 SH2 domain inhibitor.
AC-4-130
AC-4-130 Chemical Structure CAS No.: 1834571-82-2
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description
AC-4-130 is a potent STAT5 SH2 domain inhibitor. AC-4-130 directly binds to STAT5 and disrupts STAT5 activation, dimerization, nuclear translocation, and STAT5-dependent gene transcription. AC-4-130 induces cell cycle arrest and apoptosis in FLT3-ITD driven leukemia cells. AC-4-130 has anti-cancer activity and can effectively block pathological levels of STAT5 activity in acute myeloid leukemia (AML).
AC-4-130 (CAS#: 1834571-82-2) is a potent, selective inhibitor of the STAT5 SH2 domain that directly binds to STAT5, blocking its phosphorylation, dimerization, and nuclear translocation. It has a molecular weight of 751.21 g/mol and formula C37H36ClF5N2O5S. AC-4-130 acts by disrupting STAT5-dependent gene transcription, effectively reducing pathological STAT5 activity in acute myeloid leukemia (AML). It has anticancer activity and is a promising therapeutic candidate and a valuable tool for studying STAT5-mediated oncogenic signaling.
Biological Activity I Assay Protocols (From Reference)
Targets
AC-4-130 targets the STAT5 (signal transducer and activator of transcription 5) SH2 domain. STAT5 is a transcription factor that plays a critical role in cell proliferation, survival, and differentiation, and is frequently hyperactivated in hematological malignancies such as acute myeloid leukemia (AML). AC-4-130 is a potent and selective inhibitor of the STAT5 SH2 domain that directly binds to STAT5, blocking its phosphorylation, dimerization, and nuclear translocation. By disrupting STAT5-dependent gene transcription, AC-4-130 reduces pathological STAT5 activity.
ln Vitro
Significant increases in MV4-11 or MOLM-13 cells are caused by AC-4-130 (0.1-100 μM; 72 hours) in a formulation- and time-dependent manner [1]. Cell induction cycle is triggered by AC-4-130 (2, 5 μM; 72 hours), which causes a decrease in S or G2/M phase cells and an increase in G0/G1-induced cells [1]. The cytoplasm and nucleus of AC-4-130 (0.5-2; 24 hours) cells displayed decreased pY-STAT5 levels. Primary human AML cells' ability to proliferate and develop clonally was significantly suppressed by AC-4-130-mediated suppression of STAT5, whereas healthy CD34+ cells are less susceptible [1].
In vitro, AC-4-130 is a potent and selective inhibitor of the STAT5 SH2 domain. It directly binds to STAT5, blocking its phosphorylation, dimerization, and nuclear translocation. The compound disrupts STAT5-dependent gene transcription, effectively reducing pathological STAT5 activity in AML cells. It has anticancer activity. These in vitro studies establish AC-4-130 as a potent and selective STAT5 inhibitor with potential therapeutic applications in AML.
ln Vivo
In vivo activity data for AC-4-130 is limited, as the compound is primarily used as a research tool in in vitro studies. However, its mechanism of action—inhibiting STAT5 signaling—suggests potential in vivo applications in hematological malignancies. The compound could be used in animal models of AML to study the effects of STAT5 inhibition on tumor growth. However, specific in vivo protocols and results are not detailed in standard product descriptions.
Enzyme Assay
In vitro assays for AC-4-130 measure its binding to the STAT5 SH2 domain and its ability to inhibit STAT5 phosphorylation, dimerization, and nuclear translocation. Binding assays are performed using purified STAT5 SH2 domain protein and a labeled probe. Functional assays measure the inhibition of STAT5-dependent gene transcription using reporter gene assays in cells expressing STAT5. The compound's ability to inhibit STAT5 phosphorylation is assessed by Western blotting using phospho-specific antibodies.
Cell Assay
In vitro cell-based assays for AC-4-130 are conducted using AML cell lines or other cells with activated STAT5 signaling. Cells are treated with AC-4-130 at various concentrations, and the phosphorylation of STAT5 is measured by Western blotting. The expression of STAT5 target genes is measured by quantitative PCR. Cell proliferation and apoptosis are assessed using standard assays such as MTT, CellTiter-Glo, or Annexin V staining. These assays confirm that AC-4-130 inhibits STAT5 signaling and exerts anti-leukemic effects.
Animal Protocol
In vivo animal experiments for AC-4-130 would typically be conducted in mouse models of AML. In a typical study, immunodeficient mice are engrafted with human AML cells and treated with AC-4-130. Tumor growth is monitored, and the survival of the mice is recorded. The compound's ability to inhibit tumor growth and improve survival is assessed. However, specific protocols for AC-4-130 are not detailed in standard product descriptions.
ADME/Pharmacokinetics
AC-4-130 has a molecular weight of 751.21 g/mol and a molecular formula of C37H36ClF5N2O5S. It is a solid compound with a purity of ≥98% by HPLC. It is soluble in DMSO at 100 mg/mL with ultrasonic treatment. For storage, it is recommended to keep the powder at -20°C. Detailed pharmacokinetic properties such as absorption, distribution, metabolism, and excretion (ADME) have not been extensively characterized. As a research compound, its stability is maintained by proper storage as a dry powder.
Toxicity/Toxicokinetics
Detailed toxicity data for AC-4-130 is not provided in standard product descriptions. As a research compound, its toxicity profile has not been extensively characterized. AC-4-130 is a STAT5 inhibitor, and its toxicity would be related to its effects on STAT5-mediated signaling in normal tissues. However, comprehensive toxicological studies have not been reported. As with all research chemicals, standard laboratory safety precautions should be followed when handling AC-4-130. Its use is limited to research applications and it is not intended for human or veterinary use.
References

[1]. Pharmacologic inhibition of STAT5 in acute myeloid leukemia. Leukemia. 2018 May;32(5):1135-1146.

Additional Infomation
AC-4-130 is a research compound and is not approved for any clinical or therapeutic use. It is a potent, selective inhibitor of the STAT5 SH2 domain that directly binds to STAT5, blocking its phosphorylation, dimerization, and nuclear translocation. AC-4-130 acts by disrupting STAT5-dependent gene transcription, effectively reducing pathological STAT5 activity in acute myeloid leukemia (AML). It has anticancer activity and is a promising therapeutic candidate and a valuable tool for studying STAT5-mediated oncogenic signaling. Its mechanism of action involves inhibiting STAT5 activation and downstream signaling.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C37H36CLF5N2O5S
Molecular Weight
751.202165603638
Exact Mass
750.195
CAS #
1834571-82-2
Related CAS #
1834571-82-2;
PubChem CID
154701370
Appearance
Off-white to brown solid powder
LogP
9.1
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
11
Rotatable Bond Count
12
Heavy Atom Count
51
Complexity
1260
Defined Atom Stereocenter Count
0
SMILES
CC(C)(C)C1=CC(=CC(=C1)CN(C2=CC=C(C=C2)C(=O)O)C(=O)CN(CC3=CC=C(C=C3)Cl)S(=O)(=O)C4=C(C(=C(C(=C4F)F)F)F)F)C(C)(C)C
InChi Key
NMQUSJQZQWKQBL-UHFFFAOYSA-N
InChi Code
InChI=1S/C37H36ClF5N2O5S/c1-36(2,3)24-15-22(16-25(17-24)37(4,5)6)19-45(27-13-9-23(10-14-27)35(47)48)28(46)20-44(18-21-7-11-26(38)12-8-21)51(49,50)34-32(42)30(40)29(39)31(41)33(34)43/h7-17H,18-20H2,1-6H3,(H,47,48)
Chemical Name
4-(2-((N-(4-chlorobenzyl)-2,3,4,5,6-pentafluorophenyl)sulfonamido)-N-(3,5-di-tert-butylbenzyl)acetamido)benzoic acid
Synonyms
AC4130 AC-4130 AC4-130 AC-4-130
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 (~133.12 mM)
H2O : < 0.1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (3.33 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 1.3312 mL 6.6560 mL 13.3120 mL
5 mM 0.2662 mL 1.3312 mL 2.6624 mL
10 mM 0.1331 mL 0.6656 mL 1.3312 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.

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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.

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Biological Data
  • In vitro characterization of AC-4–130. a Chemical structure of AC-4–130. b Schematic representation of the STAT5B domain structure and binding mode of AC-4–130. c 1D 19F NMR studies of AC-4–130 with STAT5B.[1].Bettina Wingelhofer, et al. Pharmacologic inhibition of STAT5 in acute myeloid leukemia. Leukemia. 2018 May;32(5):1135-1146.
  • AC-4–130 inhibits STAT5 dimerization and target gene expression. a Subcellular fractions of Ba/F3 FLT3-ITD+ cells immunoblotted for pY-STAT5 and total STAT5. α-TUBULIN and LAMIN B1 were used as loading controls for cytoplasmic and nuclear fractions, respectively. Blots represent 2 independent experiments. Uncropped version of the Western blot is shown in Supplementary Fig. 8. b STAT5A-MYC and STAT5A-FLAG were co-transfected into HEK293T cells, co-immunoprecipitated with anti-FLAG and blotted with anti-FLAG and anti-MYC. Whole cell lysates were immunoblotted for MYC- or FLAG-tag, STAT5A, and HSC70 to show input. Results represent two independent experiments. Uncropped version of the Western blot is shown in Supplementary Fig. 8. c Ba/F3 cells were electroporated with Luciferase (Firefly) reporter plasmid for STAT5, and HT-29 cells were transfected with reporter plasmids for STAT1 or STAT3 in addition to pRL-TK (Renilla luciferase). Cells were starved, pretreated with AC-4–130 or DMSO (Ctrl) for 6 h and stimulation with appropriate cytokine. Relative luciferase activity was determined using the Dual-Luciferase Reporter Assay.[1].Bettina Wingelhofer, et al. Pharmacologic inhibition of STAT5 in acute myeloid leukemia. Leukemia. 2018 May;32(5):1135-1146.
  • FLT3-ITD+ cells are most susceptible to AC-4–130. a Viability assay for hematopoietic or control cell lines with AC-4–130 or DMSO (Ctrl) for 72 h. IC50 values (µM) were determined using GraphPad Prism 5 software (GraphPad Software, Inc.). b MV4–11 and MOLM-13 cells were treated with AC-4–130 or DMSO (Ctrl) in a dose-dependent manner for 72 h or with 5 µM AC-4–130 in a time-dependent manner. Apoptotic cells were detected by AnnexinV/PI staining. Representative dot plots are shown. c Cell cycle distribution was determined after 72 h using PI staining.[1].Bettina Wingelhofer, et al. Pharmacologic inhibition of STAT5 in acute myeloid leukemia. Leukemia. 2018 May;32(5):1135-1146.
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