SX-682

Alias: SX682; SX 682; SX-682
Cat No.:V3258 Purity: ≥98%
SX-682 (SX682) is a novel boronic acid-containing and selective CXCR2 chemokine receptor antagonist with potential anticancer and immunomodulatory activities.
SX-682 Chemical Structure CAS No.: 1648843-04-2
Product category: CXCR
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

SX-682 (SX682) is a novel boronic acid-containing and selective CXCR2 chemokine receptor antagonist with potential anticancer and immunomodulatory activities. The proliferation and progression of tumor cells are facilitated by the upregulation of the CXC chemokine receptor CXCR2 in a range of distinct tumor cell types. Reduced tumorigenesis and metastasis were the results of CXCR2 inhibition. SX-682 is a CXCR2 antagonist that may be used to treat melanoma and prostate cancer that is resistant to castration. Syntrix Biosystems, Inc. has initiated a phase I clinical trial combining SX-682 and pembrolizumab for the treatment of metastatic melanoma.

Biological Activity I Assay Protocols (From Reference)
Targets
CXCR2; CXCR1
ln Vitro

In vitro activity: SX-682 is a brand-new, highly effective, and selective CXCR2 chemokine receptor antagonist that may have anticancer effects. The proliferation and progression of tumor cells are facilitated by the upregulation of the CXC chemokine receptor CXCR2 in a range of distinct tumor cell types. Reduced tumorigenesis and metastasis were the results of CXCR2 inhibition. SX-682 is a CXCR2 antagonist that may be used to treat melanoma and prostate cancer that is resistant to castration. Syntrix Biosystems, Inc. has initiated a phase I clinical trial combining SX-682 and pembrolizumab for the treatment of metastatic melanoma.

ln Vivo
In vivo, the whole tumor accumulation of CXCL1 in MOC1 and LLC tumors is notably higher than in normal lung and oral mucosa, respectively, and is not reduced by SX-682 treatment. In both models, tumor-bearing mice exhibit higher plasma accumulation of CXCL1 than naive mice, and this accumulation increases after SX-682 treatment. SX-682 treatment of mice with MOC1 or LLC tumors starting 10 or 20 days after the tumor initiation does not change the expression of CXCR1 or CXCR2 on tumor cells in vivo. [2] Tumor PMN-MDSC expression of the genes that produce H2O2, superoxide dismutase 1/2 or cell surface TGF-β, is not significantly changed after receiving in vivo SX-682 treatment. [3]
Animal Protocol
wild-type C57BL/6 mice subcutaneously injected with MOC2 cells (1x105 cells in PBS)
500 mg/kg
Oral gavage
References

[1]. Nature . 2017 Mar 30;543(7647):728-732.

[2]. JCI Insight . 2019 Apr 4;4(7):e126853.

[3]. Clin Cancer Res . 2020 Mar 15;26(6):1420-1431.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H14BF4N3O4S
Molecular Weight
467.20
Exact Mass
467.07
Elemental Analysis
C, 48.85; H, 3.02; B, 2.31; F, 16.27; N, 8.99; O, 13.70; S, 6.86
CAS #
1648843-04-2
Related CAS #
1648843-04-2
Appearance
Solid powder
SMILES
B(C1=C(C=C(C=C1)OC(F)(F)F)CSC2=NC=C(C=N2)C(=O)NC3=CC=C(C=C3)F)(O)O
InChi Key
SDUDZBCEHIZMFZ-UHFFFAOYSA-N
InChi Code
InChI=1S/C19H14BF4N3O4S/c21-13-1-3-14(4-2-13)27-17(28)12-8-25-18(26-9-12)32-10-11-7-15(31-19(22,23)24)5-6-16(11)20(29)30/h1-9,29-30H,10H2,(H,27,28)
Chemical Name
[2-[[5-[(4-fluorophenyl)carbamoyl]pyrimidin-2-yl]sulfanylmethyl]-4-(trifluoromethoxy)phenyl]boronic acid
Synonyms
SX682; SX 682; SX-682
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: 93~250 mg/mL (199.1~535.1 mM)
Water: <1 mg/mL
Ethanol: <1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: 11.76 mg/mL (25.17 mM) in 15% Cremophor EL + 85% Saline (add these co-solvents sequentially from left to right, and one by one), suspension solution; with sonication (<60°C).
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (4.45 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 20.8 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 2.1404 mL 10.7021 mL 21.4041 mL
5 mM 0.4281 mL 2.1404 mL 4.2808 mL
10 mM 0.2140 mL 1.0702 mL 2.1404 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

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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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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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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.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04574583 Active
Recruiting
Drug: SX-682
Drug: M7824
Metastatic Cancer
Solid Tumors
National Cancer Institute
(NCI)
November 24, 2020 Phase 1
Phase 2
NCT04245397 Recruiting Drug: Decitabine
Drug: SX-682
Myelodysplastic Syndromes Syntrix Biosystems, Inc. May 12, 2020 Phase 1
NCT03161431 Recruiting Drug: SX-682
Biological: Pembrolizumab
Melanoma Stage III
Melanoma Stage IV
Syntrix Biosystems, Inc. June 12, 2019 Phase 1
NCT05604560 Recruiting Drug: Tislelizumab
Drug: SX-682
Pancreatic Cancer Sidney Kimmel Comprehensive
Cancer Center at Johns
Hopkins
November 8, 2023 Phase 2
NCT04599140 Recruiting Drug: CXCR1/2 Inhibitor SX-682
Biological: Nivolumab
Stage III Colon Cancer AJCC v8
Stage IV Colon Cancer AJCC v8
M.D. Anderson Cancer Center October 14, 2020 Phase 1
Phase 2
Biological Data
  • SX-682

    Cabozantinib or BEZ235 suppress secretion by prostate cancer cells of several cytokines that promote MDSC activity.2017Mar 30;543(7647):728-732.

  • SX-682

    Gr-MDSCs inversely correlate with CD8+infiltrating T cells in human prostate cancer.2017Mar 30;543(7647):728-732.

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