Lipoic acid (LA), aswell accepted as α-lipoic acid and alpha lipoic acid (ALA) and thioctic acid is an organosulfur admixture acquired from octanoic acid. LA contains two sulfur atoms (at C6 and C8) affiliated by a disulfide band and is appropriately advised to be breakable although either sulfur atom can abide in college blaze states.
The carbon atom at C6 is chiral and the atom exists as two enantiomers (R)-(+)-lipoic acid (RLA) and (S)-(-)-lipoic acid (SLA) and as a racemic admixture (R/S)-lipoic acid (R/S-LA).
LA appears physically as a chicken solid and structurally contains a terminal carboxylic acid and a terminal dithiolane ring.
For use in comestible supplement abstracts and compounding pharmacies, the USP has accustomed an official album for R/S-LA.