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Tryptophan
CAS: 73-22-3 | C11H12N2O2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
73-22-3
Molecular Formula:
C11H12N2O2
Molecular Mass:
204.23 g/mol
Names and Synonyms:
Tryptophan
L-Tryptophan
Tryptophan, L-
l-β-3-Indolylalanine
Tryptophane
Tryptophan
L-Tryptophane
1H-Indole-3-propanoic acid, α-amino-, (S)-
L-(-)-Tryptophan
l-α-Aminoindole-3-propionic acid
2-Amino-3-indolylpropanoic acid
(S)-α-Aminoindole-3-propionic acid
(-)-Tryptophan
1H-Indole-3-alanine, (S)-
EH 121
(S)-Tryptophan
(S)-α-Amino-1H-indole-3-propanoic acid
(S)-α-Amino-β-indolepropionic acid
3-Indol-3-ylalanine
L-Alanine, 3-(1H-indol-3-yl)-
Lyphan
NSC 13119
(2S)-2-Amino-3-(1H-indol-3-yl)propanoic acid
(S)-2-Amino-3-(1H-indol-3-yl)propanoic acid
(2S)-2-Amino-3-(1H-indol-3-yl)propanoic acid
(2S)-2-Azaniumyl-3-(1H-indol-3-yl)propanoate
Identifiers:
SMILES:
N[C@@H](Cc1c[nH]c2ccccc12)C(=O)O
InChI:
InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m0/s1
Key Properties
Melting Point
282 °C
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 204.23 g/mol | CAS Common Chemistry |
| 204.22899999999998 g/mol | RDKit | |
| 204.089877624 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Tryptophan | CAS Common Chemistry |
| Canonical SMILES | O=C(O)C(N)CC1=CNC=2C=CC=CC21 | CAS Common Chemistry |
| InChI | InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m0/s1 | CAS Common Chemistry |
| InChI Key | InChIKey=QIVBCDIJIAJPQS-VIFPVBQESA-N | CAS Common Chemistry |
| Melting Point | 282 °C | CAS Common Chemistry |
| Name | L-Tryptophan | CAS Common Chemistry |
| Tryptophan | CAS Common Chemistry | |
| Heavy Atom Count | 15 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 3 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 79.11 Ų | RDKit |
| LogP | 1.1223000000000003 | RDKit |
| Molar Refractivity | 57.61390000000001 | RDKit |
