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

MedKoo CAT#: 406607

CAS#: 747413-08-7

Description: VER-50589 is a potent Hsp90 inhibitor. VER-50589 inhibits Hsp90 with an IC50 value of 21 nM. It produces a mean cellular antiproliferative GI50 value of 78 nM when tested against a human cancer cell line panel. VER-50589 shows favorable pharmacokinetics and impairs tumor growth in animals.

Chemical Structure

CAS# 747413-08-7

Theoretical Analysis

MedKoo Cat#: 406607
Name: VER-50589
CAS#: 747413-08-7
Chemical Formula: C19H17ClN2O5
Exact Mass: 388.0826
Molecular Weight: 388.8
Elemental Analysis: C, 58.69; H, 4.41; Cl, 9.12; N, 7.21; O, 20.58

Price and Availability

Size Price Availability Quantity
50.0mg USD 550.0 2 Weeks
100.0mg USD 850.0 2 Weeks
200.0mg USD 1150.0 2 Weeks
500.0mg USD 1850.0 2 Weeks
1.0g USD 2950.0 2 Weeks
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Synonym: VER50589; VER 50589; VER-50589.

IUPAC/Chemical Name: 5-(5-chloro-2,4-dihydroxyphenyl)-N-ethyl-4-(4-methoxyphenyl)isoxazole-3-carboxamide


InChi Code: InChI=1S/C19H17ClN2O5/c1-3-21-19(25)17-16(10-4-6-11(26-2)7-5-10)18(27-22-17)12-8-13(20)15(24)9-14(12)23/h4-9,23-24H,3H2,1-2H3,(H,21,25)


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, not in water

Shelf Life: >2 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 388.8 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: Gaspar N, Sharp SY, Pacey S, Jones C, Walton M, Vassal G, Eccles S, Pearson A, Workman P. Acquired resistance to 17-allylamino-17-demethoxygeldanamycin (17-AAG, tanespimycin) in glioblastoma cells. Cancer Res. 2009 Mar 1;69(5):1966-75. doi: 10.1158/0008-5472.CAN-08-3131. Epub 2009 Feb 24. Erratum in: Cancer Res. 2009 Apr 15;69(8):3721. PubMed PMID: 19244114; PubMed Central PMCID: PMC2652695.

2: Sharp SY, Prodromou C, Boxall K, Powers MV, Holmes JL, Box G, Matthews TP, Cheung KM, Kalusa A, James K, Hayes A, Hardcastle A, Dymock B, Brough PA, Barril X, Cansfield JE, Wright L, Surgenor A, Foloppe N, Hubbard RE, Aherne W, Pearl L, Jones K, McDonald E, Raynaud F, Eccles S, Drysdale M, Workman P. Inhibition of the heat shock protein 90 molecular chaperone in vitro and in vivo by novel, synthetic, potent resorcinylic pyrazole/isoxazole amide analogues. Mol Cancer Ther. 2007 Apr;6(4):1198-211. PubMed PMID: 17431102.