SR-717 free acid

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

MedKoo CAT#: 408121

CAS#: 2375420-34-9 (free acid)

Description: SR-717 is an agonist of stimulator of interferon genes STING for treating cancer. SR-717 demonstrates broad interspecies and interallelic specificity. SR-717 functions as a direct cyclic guanosine monophosphate-adenosine monophosphate (cGAMP) mimetic that induces the same "closed" conformation of STING. SR-717 displayed antitumor activity; promoted the activation of CD8+ T, natural killer, and dendritic cells in relevant tissues; and facilitated antigen cross-priming. SR-717 also induced the expression of clinically relevant targets, including programmed cell death 1 ligand 1 (PD-L1), in a STING-dependent manner.


Chemical Structure

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SR-717 free acid
CAS# 2375420-34-9 (free acid)

Theoretical Analysis

MedKoo Cat#: 408121
Name: SR-717 free acid
CAS#: 2375420-34-9 (free acid)
Chemical Formula: C15H9F2N5O3
Exact Mass: 345.07
Molecular Weight: 345.266
Elemental Analysis: C, 52.18; H, 2.63; F, 11.01; N, 20.28; O, 13.90

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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Related CAS #: 2375420-34-9 (free acid)   2375421-09-1 (lithium)    

Synonym: SR-717 free acid; SR 717; SR717;

IUPAC/Chemical Name: 2-(6-(1H-imidazol-1-yl)pyridazine-3-carboxamido)-4,5-difluorobenzoic acid

InChi Key: WEBVQIJGIZVRGA-UHFFFAOYSA-N

InChi Code: InChI=1S/C15H9F2N5O3/c16-9-5-8(15(24)25)12(6-10(9)17)19-14(23)11-1-2-13(21-20-11)22-4-3-18-7-22/h1-7H,(H,19,23)(H,24,25)

SMILES Code: O=C(C1=CC(F)=C(C=C1NC(C2=NN=C(C=C2)N3C=CN=C3)=O)F)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

More Info: Stimulator of interferon genes (STING) links innate immunity to biological processes ranging from antitumor immunity to microbiome homeostasis. Mechanistic understanding of the anticancer potential for STING receptor activation is currently limited by metabolic instability of the natural cyclic dinucleotide (CDN) ligands.

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 345.27 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
Formulation protocol:
In vitro protocol:
In vivo protocol:

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Chin EN, Yu C, Vartabedian VF, Jia Y, Kumar M, Gamo AM, Vernier W, Ali SH, Kissai M, Lazar DC, Nguyen N, Pereira LE, Benish B, Woods AK, Joseph SB, Chu A, Johnson KA, Sander PN, Martínez-Peña F, Hampton EN, Young TS, Wolan DW, Chatterjee AK, Schultz PG, Petrassi HM, Teijaro JR, Lairson LL. Antitumor activity of a systemic STING-activating non-nucleotide cGAMP mimetic. Science. 2020 Aug 21;369(6506):993-999. doi: 10.1126/science.abb4255. PMID: 32820126.