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Cat. No.: HY-124611

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JG-231

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JG-231 is an allosteric inhibitor of heat shock protein 70 (Hsp70). JG - 231 inhibits the binding of Hsp70 and BAG family proteins, including inhibition of Hsp70 and BAG1 with a K_i of 0.11 μM. JG-231 inhibits proliferation of tumor cells and induces apoptosis. JG-231 has antitumor activity.

For research use only. We do not sell to patients.

Purity: 98.47%
CAS No.: 1627126-59-3
Formula: C₂₂H₁₈BrCl₂N₃OS₄
Molecular Weight:619.47

Storage:

4°C, sealed storage, away from moisture and light

* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

JG-231 Chemical Structure

CAS No.: 1627126-59-3

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- IC₅₀ & Target
- Cellular Effect
- In Vitro
- In Vivo
Chemical Information
Solvent & Solubility
- In Vitro
Purity & Documentation
References
Help & FAQs
Classifications
Bioz

Biological Activity

Description

IC₅₀ & Target^[2]

HSP70

All HSP Isoforms :

Cellular Effect

Cell Line	Type	Value	Description	References
MCF7	IC₅₀	0.12 μM Compound: 42; JG-231	Antiproliferative activity against human MCF7 cells by MTT assay Antiproliferative activity against human MCF7 cells by MTT assay	[PMID: 29953808]
MDA-MB-231	IC₅₀	0.25 μM Compound: 42; JG-231	Antiproliferative activity against human MDA-MB-231 cells by MTT assay Antiproliferative activity against human MDA-MB-231 cells by MTT assay	[PMID: 29953808]
MEF	IC₅₀	2.5 μM Compound: 42; JG-231	Antiproliferative activity against MEF cells by MTT assay Antiproliferative activity against MEF cells by MTT assay	[PMID: 29953808]

In Vitro

JG-231 (0.31-5 μM; 4-10 days) inhibits cell ball growth in 3D cultured TT and MZ-CRC-1 cells in a dose- and time-dependent manner^[1].
JG-231 (0-10 μM; 12-24 h) disrupts the interaction between Hsp70 and BAG3, affects the signaling pathway related to Hsp70, and induces cell apoptosis in MCF-7 cells^[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Western Blot Analysis^[2]

Cell Line:

MCF-7
Concentration:

0.1, 0.5, 1, 5 and 10 μM
Incubation Time:

24 h
Result:

Reduced the levels of Akt, c-Raf , CDK4, IAP-1 and HuR.
Did not change the levels of Hsp72 and Hsp90.

In Vivo

JG-231 (4 mg/kg; intraperitoneal injection; three times a week for 4 weeks) has an antitumor effect in a mouse model of breast cancer xenotransplantation^[2].
Pharmacokinetic Analysis in Mice^[1]

Route	Dose (mg/kg)	C_max (nM)	T_max (h)	t_1/2 (h)	AUC_0-∞ (nM·h)
i.p.	5	159	2	21.6	3401

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model:

Four-week-old female athymic mice (Charles River) bearing xenografted MDA-MB-231 cells^[2]
Dosage:

4 mg/kg
Administration:

Intraperitoneal injection (i.p.); 3 days a week for 4 weeks
Result:

Inhibited tumor growth.
Did not significantly change the weight of mice.

Chemical Information

CAS No. 1627126-59-3
Appearance Solid
Molecular Weight 619.47
Formula C₂₂H₁₈BrCl₂N₃OS₄
Color Orange to reddish brown
SMILES

O=C1N(CC)/C(S/C1=C2SC3=CC(Cl)=CC=C3N/2C)=C/C4=[N+](CC5=CC=C(Br)S5)C=CS4.[Cl-]
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, sealed storage, away from moisture and light

* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

Solvent & Solubility

In Vitro:

DMSO : 2 mg/mL (3.23 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

1.6143 mL

8.0714 mL

16.1428 mL

5 mM

---

10 mM

---

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 (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Molarity Calculator

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

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Dilution Calculator

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Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (276 KB)
SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Hong SK, et al. Analogs of the Heat Shock Protein 70 Inhibitor MKT-077 Suppress Medullary Thyroid Carcinoma Cells. Int J Mol Sci. 2022 Jan 19;23(3):1063. [Content Brief]

[2]. Shao H, et al. Exploration of Benzothiazole Rhodacyanines as Allosteric Inhibitors of Protein-Protein Interactions with Heat Shock Protein 70 (Hsp70). J Med Chem. 2018 Jul 26;61(14):6163-6177. [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
DMSO	1 mM	1.6143 mL	8.0714 mL	16.1428 mL	40.3571 mL

Keywords

MOQ

Minimum order quantity

100 mg

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Amount: USD 0.00

Biological Activity
- Description
- IC₅₀ & Target
- In Vitro
- In Vivo
Chemical Information
Solvent & Solubility
- In Vitro
Purity & Documentation
References

Product Name:
Cat. No.:
Quantity:
MCE Japan Authorized Agent:

Product Name:
CAS No.:
Species:
Purity:
Quantity:

JG-231

Apoptosis Compound Library

Cell Cycle/DNA Damage Compound Library

Metabolism/Protease Compound Library

Anti-Cancer Compound Library

Anti-Aging Compound Library

Cytoskeleton Compound Library

Anti-Breast Cancer Compound Library

Cuproptosis Compound Library

Metabolic Enzyme Compound Library

Cell Death Library

Extracellular Vesicles (EVs) Compound Library

Bioactive Compound Library Max

MCE Bioactive Compound Library

Bioactive Compound Library

Non-Alcoholic Fatty Liver Disease (NAFLD) Compound Library

High-Throughput Bioactive Compound Library

All HSP Isoforms

Biological Activity

Chemical Information

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

JG-231

Apoptosis Compound Library

Cell Cycle/DNA Damage Compound Library

Metabolism/Protease Compound Library

Anti-Cancer Compound Library

Anti-Aging Compound Library

Cytoskeleton Compound Library

Anti-Breast Cancer Compound Library

Cuproptosis Compound Library

Metabolic Enzyme Compound Library

Cell Death Library

Extracellular Vesicles (EVs) Compound Library

Bioactive Compound Library Max

MCE Bioactive Compound Library

Bioactive Compound Library

Non-Alcoholic Fatty Liver Disease (NAFLD) Compound Library

High-Throughput Bioactive Compound Library

All HSP Isoforms

Biological Activity

Chemical Information

Solvent & Solubility

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

JG-231 Related Classifications

HY-124611 Related Classifications