Alanine CH3-CH(NH2)-COOH C3H7NO2 [89.09]
CAS No: Racemic Mixture: 302-72-7 D-isomer: 338-69-2, L-isomer: 56-41-7
Appearance at RT: White Powder
(Solid) Density: 1.424
MP: 258 ℃
Solubility in Water: 167.2 g/L (@25℃)
Acidity (pKa): 2.35 (carboxyl 기), 9.69 (amine 기)
| Namea |
Symbolsb |
Systematic namec |
Formula |
| Alanine |
Ala |
A |
2-Aminopropanoic acid |
CH3-CH(NH2)-COOH |
| Arginine |
Arg |
R |
2-Amino-5-guanidinopentanoic acid |
H2N-C(=NH)-NH-[CH2]3-CH(NH2)-COOH |
| Asparagine |
Asnd |
N d |
2-Amino-3-carbamoylpropanoic acid |
H2N-CO-CH2-CH(NH2)-COOH |
| Aspartic acid |
Aspd |
D d |
2-Aminobutanedioic acid |
HOOC-CH2-CH(NH2)-COOH |
| Cysteine |
Cys |
C |
2-Amino-3-mercaptopropanoic acid |
HS-CH2-CH(NH2)-COOH |
| Glutamine |
Glnd |
Qd |
2-Amino-4-carbamoylbutanoic acid |
H2N-CO-[CH2]2-CH(NH2)-COOH |
| Glutamic acid |
Glud |
E d |
2-Aminopentanedioic acid |
HOOC-[CH2]2-CH(NH2)-COOH |
| Glycine |
Gly |
G |
Aminoethanoic acid |
CH2(NH2)-COOH |
| Histidine |
His |
H |
2-Amino-3-(1H-imidazol-4-yl)-
propanoic acid |
 |
| Isoleucine |
Ile |
I |
2-Amino-3-methylpentanoic acide |
C2H5-CH(CH3)-CH(NH2)-COOH |
| Leucine |
Leu |
L |
2-Amino-4-methylpentanoic acid |
(CH3)2CH-CH2-CH(NH2)-COOH |
| Lysine |
Lys |
K |
2,6-Diaminohexanoic acid |
H2N-[CH2]4-CH(NH2)-COOH |
| Methionine |
Met |
M |
2-Amino-4-(methylthio)butanoic acid |
CH3-S-[CH2]2-CH(NH2)-COOH |
| Phenylalanine |
Phe |
F |
2-Amino-3-phenylpropanoic acid |
C6H5-CH2-CH(NH2)-COOH |
| Proline |
Pro |
P |
Pyrrolidine-2-carboxylic acid |
 |
| Serine |
Ser |
S |
2-Amino-3-hydroxypropanoic acid |
HO-CH2-CH(NH2)-COOH |
| Threonine |
Thr |
T |
2-Amino-3-hydroxybutanoic acid e |
CH3-CH(OH)-CH(NH2)-COOH |
| Tryptophan |
Trp |
W |
2-Amino-3-(lH-indol-3-yl)-
propanoic acid |
 |
| Tyrosine |
Tyr |
Y |
2-Amino-3-(4-hydroxyphenyl)-
propanoic acid |
 |
| Valine |
Val |
V |
2-Amino-3-methylbutanoic acid |
(CH3)2CH-CH(NH2)-COOH |
Unspecified amino
acid |
Xaa |
X |
