(organic chemistry) A simple dicarboxylic acid, often used as a building block in the synthesis of heterocyclic rings and in the Weiss-Cook reaction.

plural of xylarinic acid

plural of Arrhenius acid

(chemistry) A compound which yields H+ ions (protons) when dissolved in water (one of three main definitions of acid).

(chemistry) Relating to or involving interactions between an acid and a base.

Synonym of euxanthic acid

(chemistry) A xanthonoid glycoside, a conjugate of the aglycone euxanthone with glucuronic acid.

(biochemistry) Those of the naturally occurring amino acids that the human body can synthesize for itself, and so need not be provided by dietary protein.

(biochemistry) One of the nine naturally occurring amino acids that the human body cannot synthesize, and so must be provided by dietary protein.

(organic chemistry) Acetic acid that is at least 99.8% pure and tends to crystallize on cold days.