L-alanine

CAS No. 56-41-7

Formula: C3H7NO2
Basic Info

Alanine (abbreviated as Ala or A; encoded by the codons GCU, GCC, GCA, and GCG) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH3+ form under biological conditions), an α-carboxylic acid group (which is in the deprotonated −COO− form under biological conditions), and a side chain methyl group, classifying it as a nonpolar (at physiological pH), aliphatic amino acid. It is non-essential in humans, meaning the body can synthesize it.
The L-isomer (left-handed) of alanine is one of the 20 amino acids encoded by the human genetic code. L-Alanine is second only to leucine in rate of occurrence, accounting for 7.8% of the primary structure in a sample of 1,150 proteins. The right-handed form, D-Alanine occurs in bacterial cell walls and in some peptide antibiotics.

Formula
C3H7NO2
Molecular Weight
89.0932
Exact Mass
89.0477
LogP
0.1185
PSA
63.32
Synonyms

Alanin

L-ARANINE

L-alamine

ALANINE

L-ALA

H-L-ALA-OH

L-Alanine

ALA

Ritalanine

Fmoc-L-Ala-OH

H-ALA-OH

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Properties
Appearance & Physical State
White crystalline powder
Density
1.161 g/cm3
Boiling Point
212.9ºC at 760 mmHg
Melting Point
314-316ºC
Flash Point
82.6ºC
Water Solubility
166.5 g/L (25 ºC)
Stability
Stable. Incompatible with strong oxidizing agents.
Storage Condition
Store at RT.
Safety Info
RTECS
AY2990000
Safety Statements
S24/25
WGK Germany
3
Risk Statements
R36/37/38
HS Code
2930901000
Hazard Codes
Spectrum
NMR Spectrum 1H NMR : 400 MHz in D2O
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IR Spectrum IR : nujol mull
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Mass Spectrum Mass spectrum (electron ionization)
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Raman Spectrum Raman : 4880 A,200 M,powder
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UV Spectrum UV/Visible spectrum
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