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1,2-Dioleoyloxy-3-(dimethylamino)propane/DODAP(CAS No.: 127512-29-2)

December 5, 2025

1,2-Dioleoyloxy-3-(dimethylamino)propane/DODAP(CAS No.: 127512-29-2)

 

Product Manager: selina zhang; Email: selina@coreychem.com

  • Appearacne: Colorless to light yellow oily liquid
  • Solubility: Insoluble in water, soluble in DMSO, methanol, ethanol
  • Purity: No less than 98%
  • Storage: -20℃ ±5℃ protect from light, moisture and air
Product Name DODAP
Synonyms 18:1DAP;9-Octadecenoicacid(9Z)-1,1′-[1-[(dimethylamino)methyl]-1,2-ethanediyl]ester;1,2-DIOLEOYLOXY-3-(DIMETHYLAMINO)PROPANE;1,2-DIOLEOYL-3-DIMETHYLAMMONIUM-PROPANE;DODAP;(+/-)-N,N-dimethyl-N-[2,3-bis(9-(Z)-octadecanoyloxy)propyl]amine;1,2-dioleoyl-3-dimethylammonium-propane(DODAP);(Z)-3-(Dimethylamino)propane-1,2-diyldioleate
CAS NO 127512-29-2
Purity 98%
Appearance Colorless to light yellow oily liquid
MF C41H77NO4
MW 648.05
Contact selina@coreychem.com

DODAP (CAS: 127512‑29‑2, full name 1,2-dioleoyl-3-dimethylammonium-propane) is a cationic lipid widely used in biochemistry and drug delivery. Its main functions are:

  1. Gene Delivery Carrier

    • DODAP can be used to prepare liposomes or nanoparticles for delivering DNA, siRNA, or mRNA into cells.

    • It forms cationic lipid–nucleic acid complexes (lipoplexes) by binding with negatively charged nucleic acids, protecting them and facilitating cellular uptake.

  2. pH-Sensitive Lipid

    • DODAP is mostly neutral at physiological pH, reducing toxicity.

    • In acidic environments (such as endosomes), it becomes positively charged, helping disrupt the endosomal membrane and release nucleic acids into the cytoplasm.

    • This property makes it highly useful in mRNA vaccines and gene therapy.

  3. Drug Delivery Aid

    • DODAP can be combined with other lipids (e.g., DSPC, cholesterol, PEG-lipid) to form stable lipid nanoparticles (LNPs) for delivering small molecule drugs or nucleic acid therapeutics.

In short, DODAP primarily acts as a cationic lipid carrier for nucleic acids, widely applied in gene therapy, mRNA vaccines, and lipid nanoparticle-based drug delivery.

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