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Substance Name: Tyrosine [USAN:INN]
RN: 60-18-4
UNII: 42HK56048U
InChIKey: OUYCCCASQSFEME-QMMMGPOBSA-N

Note

  • A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.

Molecular Formula

  • C9-H11-N-O3

Molecular Weight

  • 181.19
 

Classification Codes

  • Amino Acid
  • Mutation Data
  • Reproductive Effect

Names and Synonyms

Name of Substance

  • L-Tyrosine
  • Tyrosine
  • Tyrosine [USAN:INN]

MeSH Heading

  • Tyrosine

Synonyms

  • (-)-alpha-Amino-p-hydroxyhydrocinnamic acid
  • (S)-alpha-Amino-4-hydroxybenzenepropanoic acid
  • (S)-Tyrosine
  • 2-Amino-3-(4-hydroxyphenyl)propanoic acid, (S)-
  • 4-Hydroxy-L-phenylalanine
  • AI3-09055
  • alpha-Amino-4-hydroxybenzenepropanoic acid, (S)-
  • alpha-Amino-beta-(4-hydroxyphenyl)propionic acid
  • alpha-Amino-p-hydroxyhydrocinnamic acid, (-)-
  • Benzenepropanoic acid, alpha-amino-4-hydroxy-, (S)-
  • beta-(p-Hydroxyphenyl)alanine
  • EINECS 200-460-4
  • FEMA No. 3736
  • HSDB 2003
  • L-2-Amino-3-p-hydroxyphenylpropanoic acid
  • L-p-Tyrosine
  • L-Phenylalanine, 4-hydroxy-
  • L-Tyrosine
  • NSC 82624
  • p-Tyrosine
  • Propanoic acid, 2-amino-3-(4-hydroxyphenyl)-, (S)-
  • Tirosina
  • Tirosina [Spanish]
  • Tyrosine
  • Tyrosine (VAN)
  • Tyrosinum
  • Tyrosinum [Latin]
  • UNII-42HK56048U

Systematic Names

  • L-Tyrosine
  • Tyrosine

Superlist Name

  • Tyrosine, L-

Registry Numbers

CAS Registry Number

  • 60-18-4

FDA UNII

  • 42HK56048U

Other Registry Numbers

  • 1207451-88-4
  • 140-43-2
  • 1991-85-1
  • 46209-14-7
  • 55520-40-6

System Generated Number

  • 0000060184

Structure Descriptors

InChI

InChI=1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1

InChIKey

OUYCCCASQSFEME-QMMMGPOBSA-N

Smiles

N[C@@H](Cc1ccc(O)cc1)C(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal > 1450mg/kg (1450mg/kg)   Yakugaku Zasshi. Journal of Pharmacy. Vol. 97, Pg. 1117, 1977.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 343 dec deg C   EXP
pKa Dissociation Constant 2.2 (none) 25 EXP
log P (octanol-water) -2.26E+00 (none)   EXP
Water Solubility 479 mg/L 25 EXP
Vapor Pressure 1.26E-10 mm Hg 25 EST
Henry's Law Constant 6.28E-14 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 8.20E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.