WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 462572

CAS#: 1456551-16-8

Description: JG-98, an allosteric heat shock protein 70 (Hsp70) inhibitor, which binds tightly to a conserved site on Hsp70 and disrupts the Hsp70-Bag3 interaction. JG-98 shows anti-cancer activities affecting both cancer cells and tumor-associated macrophages.

Chemical Structure

CAS# 1456551-16-8

Theoretical Analysis

MedKoo Cat#: 462572
Name: JG-98
CAS#: 1456551-16-8
Chemical Formula: C24H21Cl2N3OS3
Exact Mass: 533.0224
Molecular Weight: 534.532
Elemental Analysis: C, 53.93; H, 3.96; Cl, 13.26; N, 7.86; O, 2.99; S, 17.99

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: JG-98; JG 98; JG98

IUPAC/Chemical Name: 3-benzyl-2-((Z)-((E)-5-(6-chloro-3-methylbenzo[d]thiazol-2(3H)-ylidene)-3-ethyl-4-oxothiazolidin-2-ylidene)methyl)thiazol-3-ium chloride


InChi Code: InChI=1S/C24H21ClN3OS3.ClH/c1-3-28-21(14-20-27(11-12-30-20)15-16-7-5-4-6-8-16)32-22(23(28)29)24-26(2)18-10-9-17(25)13-19(18)31-24;/h4-14H,3,15H2,1-2H3;1H/q+1;/p-1/b24-22+;

SMILES Code: CN1/C(SC2=CC(Cl)=CC=C12)=C3S/C(N(CC)C\3=O)=C\C4=[N+](C=CS4)CC5=CC=CC=C5.[Cl-]

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 534.532 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Li X, Srinivasan SR, Connarn J, et al. Analogs of the Allosteric Heat Shock Protein 70 (Hsp70) Inhibitor, MKT-077, as Anti-Cancer Agents. ACS Med Chem Lett. 2013;4(11):1042-1047. doi:10.1021/ml400204n

2: Li X, Colvin T, Rauch JN, et al. Validation of the Hsp70-Bag3 protein-protein interaction as a potential therapeutic target in cancer. Mol Cancer Ther. 2015;14(3):642-648. doi:10.1158/1535-7163.MCT-14-0650

3: Yaglom JA, Wang Y, Li A, et al. Cancer cell responses to Hsp70 inhibitor JG-98: Comparison with Hsp90 inhibitors and finding synergistic drug combinations [published correction appears in Sci Rep. 2018 May 2;8(1):7177]. Sci Rep. 2018;8(1):3010. Published 2018 Feb 14. doi:10.1038/s41598-017-14900-0