IUPAC Name: 2-hydroxyethyl(trimethyl)azanium; 2-propylpentanoic acid | CAS Registry Number: 13943-50-5 Synonyms: DPA choline, Dipropylacetate de choline, Choline alpha,alpha-dipropylacetate, Dipropylacetate de choline [French], CID203121, Choline, salt with 2-propylvaleric acid (1:1), LS-53327, Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, salt with 2-propylpentanoic acid (1:1), Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, salt with 2-propylpentanoic acid (1:1) (9CI)