(±)-Tryptophan
Properties
- Molecular formula
- C11H12N2O2
- Molar mass
- 204.23 g/mol
- Exact mass
- 204.0899 Da
- Melting point
- 230 °C (decomposes)
- pKa
- 2.3, 9.3
- logP
- 1.12Crippen estimate
- Polar surface area
- 79.1 Ų
- H-bond donors / acceptors
- 3 / 2
- Rotatable bonds
- 3
Hazards
Warning
- H315 Causes skin irritation22.2% of notifiers
- H319 Causes serious eye irritation22.2% of notifiers
- H335 May cause respiratory irritation22.2% of notifiers
Aggregated from 9 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Identifiers
CAS number
54-12-6SMILES
NC(Cc1c[nH]c2ccccc12)C(=O)OInChIKey
QIVBCDIJIAJPQS-UHFFFAOYSA-NInChI
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)Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
9 names
- Tryptophan
- Tryptophan, DL-
- DL-Tryptophan
- DL-α-Amino-3-indolepropionic acid
- (RS)-Tryptophan
- 1H-Indole-3-alanine
- NSC 13118
- 2-Amino-3-(1H-indol-3-yl)propanoic acid
- 2-Amino-3-(1H-indol-3-yl)-propionic acid
Work with (±)-Tryptophan
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Similar compounds
(+-)-5-Hydroxytryptophan114-03-470 % similar
5-Hydroxytryptophan4350-09-870 % similar
(+-)-5-Hydroxytryptophan56-69-970 % similar
(+-)-5-Hydroxytryptophan72572-98-670 % similar
Indole-3-lactic acid1821-52-969 % similar
5-Fluoro-DL-tryptophan154-08-567 % similar
6-Methyl-DL-tryptophan2280-85-567 % similar
6-Chloro-L-tryptophan33468-35-867 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.