H-Glu-OMe

L-Phenylalanine

L-Phenylalanine;Alanine,phenyl-,L-;(S)-α-Aminohydrocinnamic acid;(S)-α-Amino-β-phenylpropionic acid;Phenylalanine;β-Phenyl-L-alanine;β-Phenyl-α-alanine;Antibiotic FN 1636;Benzenepropanoic acid,α-amino-,(S)-;Phenyl-α-alanine;3-Phenyl-L-alanine;3-Phenylalanine;(S)-Phenylalanine;(S)-α-Aminobenzenepropanoic acid;(S)-2-Amino-3-phenylpropionic acid;L-Alanine,3-phenyl-;(S)-2-Amino-3-phenylpropanoic acid;(S)-(-)-Phenylalanine;(-)-Phenylalanine;L-(-)-Phenylalanine;NSC 79477;(2S)-2-Amino-3-phenylpropanoic acid;(2s)-2-Amino-3-phenylpropanoic acid;3617-44-5;5297-02-9;10549-09-4;67675-33-6;801204-11-5;2416148-28-0

63-91-2

C9H11NO2

InChIKey=COLNVLDHVKWLRT-QMMMGPOBSA-N

165.18900

165.19

200-568-1

47E5O17Y3R

DTXSID4040763

C29601

Prisms form water|Monoclinic plates, leaflets from warm concentrated aqueous solution; hydrated needles from dilute solutions

29224995

Polypeptide

63.32000

1.34130

L-phenylalanine is an odorless white crystalline powder. Slightly bitter taste. pH (1% aqueous solution) 5.4 to 6. (NTP, 1992)

1.24 g/cm³

283 °C (decomp)

307.5ºC at 760 mmHg

139.8ºC

1.576

1-5 g/100 mL at 25 ºC

Store at RT.

<1 Pa (25 °C)

Specific optical rotation: -35.1 deg at 20 °C/D (c = 1.94)

Slight

Bitter

1.24(at 25 °C)

Henry's Law constant = 1.2X10-10 atm-cu m/mol at 25 °C (est)

1.24 (at 25 °C)|pK1 = 1.83; pK2 = 9.13|pKa = 1.24

140.3 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|138.91 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field]|146.52 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|135 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|140.2 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|138.3 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|139.4 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|141.29 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|141.28 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|140.1 Ų [M-H]-

Sublimes in vacuo|Leaflets from water, decomposes at 285 °C. Specfic optical rotation: +35.0 deg at 20 °C/D (c = 2.04); +7.1 deg at 20 °C/D (c = 3.8 in 18% HCl). One gram dissolves in 35.5 mL water at 16 °C. Sparingly soluble in methanol /Phenylalanine D-form/|OCCURS IN ISOMERIC FORMS /PHENYLALANINE/

Water soluble. Aqueous solutions are weak acids.

Salts, Acidic

L-PHENYLALANINE may be light sensitive. Acts as a weak acid in solution.