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

MedKoo CAT#: 408089

CAS#: 2095690-70-1

Description: IACS-8803 is a highly potent stimulator of interferon genes (STING) agonist with robust systemic antitumor efficacy. IACS-8803 shows robust activation of the STING pathway in vitro and a superior systemic anti-tumor response in the B16 murine model of melanoma when compared to one of the clinical benchmark compounds.

Chemical Structure

CAS# 2095690-70-1

Theoretical Analysis

MedKoo Cat#: 408089
Name: IACS-8803
CAS#: 2095690-70-1
Chemical Formula: C20H23FN10O9P2S2
Exact Mass: 692.06
Molecular Weight: 692.531
Elemental Analysis: C, 34.69; H, 3.35; F, 2.74; N, 20.23; O, 20.79; P, 8.95; S, 9.26

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.

Synonym: IACS-8803; IACS 8803; IACS8803;

IUPAC/Chemical Name: N/A


InChi Code: InChI=1S/C20H23FN10O9P2S2/c21-9-13-8(38-19(9)30-5-28-10-15(22)24-3-26-17(10)30)2-36-42(34,44)40-14-12(32)7(1-35-41(33,43)39-13)37-20(14)31-6-29-11-16(23)25-4-27-18(11)31/h3-9,12-14,19-20,32H,1-2H2,(H,33,43)(H,34,44)(H2,22,24,26)(H2,23,25,27)/t7-,8-,9-,12-,13-,14-,19-,20-,41-,42-/m1/s1

SMILES Code: NC1=C(C2=NC=N1)N=CN2[C@@H]3O[C@H]4[C@H]([C@H]3O[P@](S)(OC[C@@H]5[C@H]([C@H]([C@@H](O5)N6C7=C(N=C6)C(N)=NC=N7)F)O[P@](S)(OC4)=O)=O)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

Product Data:

Preparing Stock Solutions

The following data is based on the product molecular weight 692.530900000000000000000000000000 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.

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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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Ager CR, Zhang H, Wei Z, Jones P, Curran MA, Di Francesco ME. Discovery of IACS-8803 and IACS-8779, potent agonists of stimulator of interferon genes (STING) with robust systemic antitumor efficacy. Bioorg Med Chem Lett. 2019;29(20):126640. doi:10.1016/j.bmcl.2019.126640