Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: Phenylalanine [USAN:USP:INN:JAN]
RN: 63-91-2
UNII: 47E5O17Y3R
InChIKey: COLNVLDHVKWLRT-QMMMGPOBSA-N

Note

  • An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.

Molecular Formula

  • C9-H11-N-O2

Molecular Weight

  • 165.191
 

Classification Codes

  • Amino Acid
  • Mutation Data
  • Reproductive Effect

Names and Synonyms

Name of Substance

  • (L)-Phenylalanine
  • Phenylalanine
  • Phenylalanine [USAN:USP:INN:JAN]

MeSH Heading

  • Phenylalanine

Synonyms

  • (S)-2-Amino-3-phenylpropanoic acid
  • (S)-2-Amino-3-phenylpropionic acid
  • (S)-alpha-Amino-benzenepropanoic acid
  • (S)-alpha-Amino-beta-phenylpropionic acid
  • (S)-alpha-Aminohydrocinnamic acid
  • (S)-Phenylalanine
  • 2-Amino-3-phenylpropionic acid, L-
  • 3-Phenyl-L-alanine
  • 3-Phenylalanine
  • Alanine, 3-phenyl-
  • alpha-Amino-beta-phenylpropionic acid, L-
  • alpha-Aminohydrocinnamic acid, L-
  • Antibiotic FN 1636
  • Benzenepropanoic acid, alpha-amino-, (S)-
  • beta-Phenyl-L-alanine
  • beta-Phenylalnine, (-)-
  • CCRIS 4254
  • EINECS 200-568-1
  • FEMA No. 3585
  • Fenilalanina
  • Fenilalanina [Spanish]
  • HSDB 1825
  • Hydrocinnamic acid, alpha-amino-
  • L-Alanine, 3-phenyl-
  • L-Alanine, phenyl-
  • L-Antibiotic FN 1636
  • NSC 79477
  • Phenylalanine
  • Phenylalanine (VAN)
  • Phenylalaninum
  • Phenylalaninum [Latin]
  • UNII-47E5O17Y3R

Systematic Names

  • 3-Phenyl-L-alanine
  • Alanine, phenyl-, L-
  • L-Phenylalanine
  • Phenylalanine

Superlist Name

  • Phenylalanine, L-

Registry Numbers

CAS Registry Number

  • 63-91-2

FDA UNII

  • 47E5O17Y3R

Other Registry Numbers

  • 10549-09-4
  • 3617-44-5
  • 5297-02-9
  • 67675-33-6
  • 801204-11-5

System Generated Number

  • 0000063912

Structure Descriptors

InChI

1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1

InChIKey

COLNVLDHVKWLRT-QMMMGPOBSA-N

Smiles

c1(C[C@@H](C(O)=O)N)ccccc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal > 1322mg/kg (1322mg/kg)   Yakugaku Zasshi. Journal of Pharmacy. Vol. 97, Pg. 1117, 1977.
rat LD50 intraperitoneal 5287mg/kg (5287mg/kg) LUNGS, THORAX, OR RESPIRATION: DYSPNEA Archives of Biochemistry and Biophysics. Vol. 58, Pg. 253, 1955.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 283 dec deg C   EXP
pKa Dissociation Constant 1.24 (none) 25 EXP
log P (octanol-water) -1.38E+00 (none)   EXP
Water Solubility 2.69E+04 mg/L 25 EXP
Vapor Pressure 4.65E-08 mm Hg 25 EST
Henry's Law Constant 1.20E-10 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 4.42E-11 cm3/molecule-sec 25 EST

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