n-acetyl-l-tyrosine n-acetyl-l-tyrosine n-acetyl-l-tyrosine is an amino acid, an n-acetyl derivative of tyrosine. it is used for parenteral nutrition and as a dietary supplement. n-acetyl-l-tyrosineidentifiers iupac name (2s)-2-acetamido-3-(4-hydroxyphenyl)propanoic acid cas number537-55-3pubchem cid68310drugbankdb11102chemspider61606uniida8g610zo5chebichebi:21563chemblchembl65543comptox dashboard (epa)dtxsid7046045 echa infocard100.007.885 chemical and physical dataformulac11h13no4molar mass223.228 g·mol−13d model (jsmol)interactive image smiles cc(=o)n(cc1=cc=c(c=c1)o)c(=o)o inchi inchi=1s/c11h13no4/c1-7(13)12-10(11(15)16)6-8-2-4-9(14)5-3-8/h2-5,10,14h,6h2,1h3,(h,12,13)(h,15,16)/t10-/m0/s1key:cahkinhbcwchcf-jtqlqieisa-n