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S-Ac7-DOg

  Cat. No.:  DC67563  
Chemical Structure
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More than 5000 active chemicals with high quality for research!
Field of application
S-Ac7-DOg​​ is an ​​ionizable lipid​​ engineered for optimized mRNA delivery to the retina, featuring a ​​sulfur-based ester bond​​ (S-Ac) and ​​dual oleyl glyceride chains​​ (DOg). Its pKa (~6.74) is finely tuned to enhance ​​endosomal escape​​ in acidic environments, enabling efficient cytosolic mRNA release. Unlike traditional lipids (e.g., C12-200, MC3), S-Ac7-DOg incorporates ​​biodegradable ester linkages​​ that hydrolyze intracellularly, minimizing lipid accumulation and reducing innate immune activation. In vitro, S-Ac7-DOg LNPs achieved >80% transfection efficiency in retinal cells (ARPE-19, MIO-M1) with ​​negligible cytokine secretion​​, outperforming MC3 and rivaling C12-200 while avoiding the latter’s high immunogenicity. In vivo, intravitreal delivery in mice showed ​​robust protein expression​​ in the optic nerve head (ONH) and Müller glia (75–100% of eyes), sustained for ≥7 days. Critically, it induced the ​​lowest immunogenicity​​ among tested lipids: minimal leukocyte infiltration (<1.5-fold vs. PBS), no microglial reactivity, and reduced GFAP upregulation.
Chemicals PropertiesBiological activity Related products COA MSDS Datasheet
Cas No.:
Chemical Name: S-Ac7-DOg
Synonyms: SAc7DOg， S Ac7 Dog
SMILES: CCCCCCCC/C=C\CCCCCCCC(=O)OCC(CNC(=O)OCCSSCCOC(=O)NCCN1CCCCCC1)OC(=O)CCCCCCC/C=C\CCCCCCCC
Formula: C53H97O8N3S2
M.Wt: 968.49
Purity: ELSD-HPLC>95%
Sotrage: 1 year -20°C
Cat. No. Product name Field of application
DC67563 S-Ac7-DOg S-Ac7-DOg​​ is an ​​ionizable lipid​​ engineered for optimized mRNA delivery to the retina, featuring a ​​sulfur-based ester bond​​ (S-Ac) and ​​dual oleyl glyceride chains​​ (DOg). Its pKa (~6.74) is finely tuned to enhance ​​endosomal escape​​ in acidic environments, enabling efficient cytosolic mRNA release. Unlike traditional lipids (e.g., C12-200, MC3), S-Ac7-DOg incorporates ​​biodegradable ester linkages​​ that hydrolyze intracellularly, minimizing lipid accumulation and reducing innate immune activation. In vitro, S-Ac7-DOg LNPs achieved >80% transfection efficiency in retinal cells (ARPE-19, MIO-M1) with ​​negligible cytokine secretion​​, outperforming MC3 and rivaling C12-200 while avoiding the latter’s high immunogenicity. In vivo, intravitreal delivery in mice showed ​​robust protein expression​​ in the optic nerve head (ONH) and Müller glia (75–100% of eyes), sustained for ≥7 days. Critically, it induced the ​​lowest immunogenicity​​ among tested lipids: minimal leukocyte infiltration (<1.5-fold vs. PBS), no microglial reactivity, and reduced GFAP upregulation.
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