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

MedKoo CAT#: 593185

CAS#: 1217341-48-4

Description: S7958 is a is a TAS2R8 antagonist. It was found to be non-mutagenic in vitro.

Chemical Structure

CAS# 1217341-48-4

Theoretical Analysis

MedKoo Cat#: 593185
Name: S7958
CAS#: 1217341-48-4
Chemical Formula: C21H23N5O4
Exact Mass: 409.175
Molecular Weight: 409.446
Elemental Analysis: Chemical Formula: C21H23N5O4 Exact Mass: 409.1750 Molecular Weight: 409.4460 Elemental Analysis: C, 61.60; H, 5.66; N, 17.10; O, 15.63

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: S7958; S-7958; S 7958

IUPAC/Chemical Name: 3-(1-((3,5-dimethylisoxazol-4-yl)methyl)-1H-pyrazol-4-yl)-1-(3-hydroxybenzyl)-5,5-dimethylimidazolidine-2,4-dione


InChi Code: InChI=1S/C21H23N5O4/c1-13-18(14(2)30-23-13)12-24-11-16(9-22-24)26-19(28)21(3,4)25(20(26)29)10-15-6-5-7-17(27)8-15/h5-9,11,27H,10,12H2,1-4H3

SMILES Code: O=C1N(C2=CN(CC3=C(C)ON=C3C)N=C2)C(C(C)(C)N1CC4=CC=CC(O)=C4)=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

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 409.446 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: Fotsing JR, Darmohusodo V, Patron AP, Ching BW, Brady T, Arellano M, Chen Q, Davis TJ, Liu H, Servant G, Zhang L, Williams M, Saganich M, Ditschun T, Tachdjian C, Karanewsky DS. Discovery and Development of S6821 and S7958 as Potent TAS2R8 Antagonists. J Med Chem. 2020 Apr 24. doi: 10.1021/acs.jmedchem.0c00388. [Epub ahead of print] PubMed PMID: 32330040.

2: Karanewsky DS, Arthur AJ, Liu H, Chi B, Ida L, Markison S. Toxicological evaluation of two novel bitter modifying flavour compounds: 3-(1-((3,5-dimethylisoxazol-4-yl)methyl)-1H-pyrazol-4-yl)-1-(3-hydroxybenzyl)imid azolidine-2,4-dione and 3-(1-((3,5-dimethylisoxazol-4-yl)methyl)-1H-pyrazol-4-yl)-1-(3-hydroxybenzyl)-5,5 -dimethylimidazolidine-2,4-dione. Toxicol Rep. 2016 Feb 28;3:310-327. doi:10.1016/j.toxrep.2016.02.007. eCollection 2016. PubMed PMID: 28959552; PubMed Central PMCID: PMC5615838.