2. JAK/STAT Signaling Stem Cell/Wnt
  3. STAT
  4. C188

C188 is a STAT3 inhibitor that inhibits IL-6-stimulated STAT3 phosphorylation and nuclear translocation in HepG2 cells by targeting STAT3 SH2 domain peptide-binding pocket. C188, in particular, was highly active in inducing apoptosis of the breast cancer cell line MB-MDA-468 in vitro (EC50= 0.7 μM).

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C188 Chemical Structure

C188 Chemical Structure

CAS No. : 823828-18-8

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C188 Related Antibodies

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Description

C188 is a STAT3 inhibitor that inhibits IL-6-stimulated STAT3 phosphorylation and nuclear translocation in HepG2 cells by targeting STAT3 SH2 domain peptide-binding pocket. C188, in particular, was highly active in inducing apoptosis of the breast cancer cell line MB-MDA-468 in vitro (EC50= 0.7 μM).

Molecular Weight

433.45

Formula

C19H15NO7S2
CAS No.
Appearance

Solid

Color

Off-white to light yellow

SMILES

O=C(O)C1=CC=C(S(=O)(NC2=C3C=CC=CC3=C(O)C(SCC(O)=O)=C2)=O)C=C1
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 (230.71 mM; Need ultrasonic and warming; 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 2.3071 mL 11.5354 mL 23.0707 mL
5 mM 0.4614 mL 2.3071 mL 4.6141 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.

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  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
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Volume
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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 Dissolution Calculator
Please enter the basic information of animal experiments:

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g

Dosing volume
(per animal)

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Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation

Purity: ≥97.0%

COA (257 KB)

Handling Instructions (2659 KB)
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 2.3071 mL 11.5354 mL 23.0707 mL 57.6768 mL
5 mM 0.4614 mL 2.3071 mL 4.6141 mL 11.5354 mL
10 mM 0.2307 mL 1.1535 mL 2.3071 mL 5.7677 mL
15 mM 0.1538 mL 0.7690 mL 1.5380 mL 3.8451 mL
20 mM 0.1154 mL 0.5768 mL 1.1535 mL 2.8838 mL
25 mM 0.0923 mL 0.4614 mL 0.9228 mL 2.3071 mL
30 mM 0.0769 mL 0.3845 mL 0.7690 mL 1.9226 mL
40 mM 0.0577 mL 0.2884 mL 0.5768 mL 1.4419 mL
50 mM 0.0461 mL 0.2307 mL 0.4614 mL 1.1535 mL
60 mM 0.0385 mL 0.1923 mL 0.3845 mL 0.9613 mL
80 mM 0.0288 mL 0.1442 mL 0.2884 mL 0.7210 mL
100 mM 0.0231 mL 0.1154 mL 0.2307 mL 0.5768 mL
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C188 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.

Keywords:

C188823828-18-8CPD188C 188C-188CPD 188CPD-188STATInhibitorinhibitorinhibit

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