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

MedKoo CAT#: 202715

CAS#: 1118915-78-8 (free acid)

Description: STA-1474 is a water soluble prodrug of ganetespib (formerly STA-9090). STA-1474 will metabolized to Ganetespib, which is a potent HSP90 inhibitor previously shown to kill canine tumor cell lines in vitro and inhibit tumor growth in the setting of murine xenografts. The purpose of the following study was to extend these observations and investigate the safety and efficacy of STA-1474 in dogs with spontaneous tumors.

Chemical Structure

CAS# 1118915-78-8 (free acid)

Theoretical Analysis

MedKoo Cat#: 202715
Name: STA-1474
CAS#: 1118915-78-8 (free acid)
Chemical Formula: C20H21N4O6P
Exact Mass: 444.11987
Molecular Weight: 444.38
Elemental Analysis: C, 54.06; H, 4.76; N, 12.61; O, 21.60; P, 6.97

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 or click below button.
Note: Price will be listed if it is available in the future.

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Related CAS #: 1402907-09-8 (disodium)   1118915-79-9 (monosodium)   1118915-78-8 (free acid)    

Synonym: Code name: STA1474.

IUPAC/Chemical Name: 5-hydroxy-2-isopropyl-4-(4-(1-methyl-1H-indol-5-yl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)phenyl dihydrogen phosphate


InChi Code: InChI=1S/C20H21N4O6P/c1-11(2)14-9-15(17(25)10-18(14)30-31(27,28)29)19-21-22-20(26)24(19)13-4-5-16-12(8-13)6-7-23(16)3/h4-11,25H,1-3H3,(H,22,26)(H2,27,28,29)

SMILES Code: O=P(O)(OC1=CC(O)=C(C(N2C3=CC4=C(N(C)C=C4)C=C3)=NNC2=O)C=C1C(C)C)O

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: >5 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 444.38 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: London CA, Bear MD, McCleese J, Foley KP, Paalangara R, Inoue T, Ying W, Barsoum J. Phase I evaluation of STA-1474, a prodrug of the novel HSP90 inhibitor ganetespib, in dogs with spontaneous cancer. PLoS One. 2011;6(11):e27018. Epub 2011 Nov 3. PubMed PMID: 22073242; PubMed Central PMCID: PMC3207826.

Additional Information