Catalog classification, reference sizes, lab math links, and source-backed data. Educational use only — not medical advice.
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Also known as: NPLs, N-alkyl lipophosphoramidates, N-alkyl phosphoramide lipids
N-alkyl phosphoramidate lipids are synthetic amphiphiles investigated as cationic or ionizable lipid components for nucleic-acid delivery. Reported structures include two O-linked hydrophobic tails and an N-alkyl-substituted phosphoramidate nitrogen that can provide a tertiary amine. Published examples have incorporated saturated alkyl, unsaturated alkenyl, branched ester, phytanyl, and other hydrophobic domains. Their lipid structure, chain length, head-group chemistry, apparent pKa, membrane fluidity, and formulation composition influence cellular uptake, membrane interaction, endosomal escape, biodistribution, and transfection performance.
Source review pending. This descriptive profile is shown from the available source material as a best-effort educational reference. It has not passed the full verification bar and is not a dosing instruction, medical claim, or treatment recommendation.
Data source: Primary literature, regulator records, trial registries, and identity-specific evidence search
Reflects preclinical/research literature context only. Not a medical claim, dosing instruction, or treatment recommendation.
Evidence is formulation- and molecule-specific and should not be generalized to every N-alkyl phosphoramidate lipid. A 2026 Advanced Science study described a 24-member mono-amino phosphoramidate library containing N-alkyl derivatives. Its NPL formulations used helper lipids and PEG-lipid components; reported screening formulations commonly used an ionizable-lipid/helper-lipid/cholesterol/PEG-lipid molar ratio of 35:16:46.5:2.5, with mostly 80–200 nm particles and 50–80% mRNA encapsulation efficiency. In that study, N-alkyl chains of at least 12 carbons performed better than a 4-carbon analogue, and NPL20 was evaluated after local subcutaneous administration near inguinal white adipose tissue. These are study-specific reference conditions, not general dosing or administration recommendations. Earlier work reported cationic lipophosphoramidates with saturated, unsaturated, branched, phytanyl, and cholesterol-derived hydrophobic domains for gene-transfer research.
Supplementary research context only. Not medical advice or a treatment recommendation.
This name describes a chemical research class rather than one uniquely defined molecular entity. Individual members such as NPL19 and NPL20 have been reported, but the class has no single molecular formula, CAS number, InChI, SMILES, or universal physicochemical profile.
Reflects published research. Educational reference — not a recommendation for use.
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Published articles on this site that mention N-alkyl phosphoramidate lipids or one of its catalog aliases.
Research Use Only. All content is for educational and research reference only. Not medical advice, a treatment recommendation, or guidance on human use. Compounds are not FDA-approved drugs unless specifically noted.