C188-9 (Standard)
C188-9 (Standard) is the analytical standard of C188-9 (HY-112288). This product is intended for research and analytical applications. C188-9 (TTI-101) is a STAT3 inhibitor with a Kd value of 4.7 nM. C188-9 targets the SH2 domain of STAT3, blocks the processes of STAT3 ligand binding, receptor recruitment, homodimerization and phosphorylation, and regulates STAT3-mediated genes associated with tumorigenesis and radioresistance. C188-9 regulates STAT1-mediated genes related to radioresistance and reduces the activation level of STAT1. C188-9 downregulates the expression of DNMT1, enhances DAC-induced demethylation and re-expression of RASSF1A, and simultaneously potentiates the anti-tumor effect of DAC on pancreatic cancer cells. C188-9 inhibits both anchorage-dependent and anchorage-independent growth of cancer cells, induces Apoptosis, blocks the growth of tumor xenografts, and suppresses muscle atrophy. C188-9 maintains muscle mass, increases body weight and improves grip strength in tumor-bearing mice. C188-9 can be used in research related to head and neck squamous cell carcinoma, pancreatic cancer, sepsis-related skeletal muscle wasting, non-small cell lung cancer, acute myeloid leukemia and cancer cachexia.
For research use only. We do not sell to patients.
- CAS No.: 432001-19-9
- Formula: C27H21NO5S
- Molecular Weight:471.52
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Storage:
Please store the product under the recommended conditions in the Certificate of Analysis.
Product Information
Information
Application
The compound is the grade of analytical standard, which is the reference standard supplied assay. It is commonly used in qualitative, quantitative and methodological research experiments in HPLC, GC and MS.
Chemical Information
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CAS No. 432001-19-9
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Molecular Weight 471.52
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Formula C27H21NO5S
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SMILES
O=S(C1=CC=C(OC)C=C1)(NC2=C3C=CC=CC3=C(O)C(C4=C5C=CC=CC5=CC=C4O)=C2)=O
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Synonyms
TTI-101 (Standard)
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
[1]. Bharadwaj U, et al. Small-molecule inhibition of STAT3 in radioresistant head and neck squamous cell carcinoma. Oncotarget. 2016;7(18):26307-26330. [Content Brief]
[2]. Kong R, et al. Small Molecule Inhibitor C188-9 Synergistically Enhances the Demethylated Activity of Low-Dose 5-Aza-2'-Deoxycytidine Against Pancreatic Cancer. Front Oncol. 2020;10:612. Published 2020 May 8. [Content Brief]
[3]. Ono Y, et al. Sepsis-associated skeletal muscle wasting is ameliorated by pharmacological inhibition of the STAT3 signaling pathway in mice. Sci Rep. 2026;16(1):5008. Published 2026 Jan 11. [Content Brief]
[4]. Lewis KM, et al. Small-molecule targeting of signal transducer and activator of transcription (STAT) 3 to treat non-small cell lung cancer. Lung Cancer. 2015 Nov;90(2):182-90. [Content Brief]
[5]. Redell MS, et al. Stat3 signaling in acute myeloid leukemia: ligand-dependent and -independent activation and induction of apoptosis by a novel small-molecule Stat3 inhibitor. Blood. 2011;117(21):5701-5709. [Content Brief]
[6]. Silva KA, et al. Inhibition of Stat3 activation suppresses caspase-3 and the ubiquitin-proteasome system, leading to preservation of muscle mass in cancer cachexia. J Biol Chem. 2015;290(17):11177-11187. [Content Brief]
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)