Claim: Aspartic acid (one of 500 naturally occurring amino acids) has a molar mass of 191.14 g/mol and density of 1.649 g/mL.
Evidence: Aspartic acid (symbol Asp or D; the ionic form is known as aspartate), is an α-amino acid that is used in the biosynthesis of proteins. Aspartic acid Molar mass 133.103 g·mol