Substance
ID:351325
Names and Identifiers
IUPAC name
(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
IUPAC Traditional name
L-tryptophan
Synonyms
(S)-2-氨基-3-(3-吲哚基)丙酸L-TryptophanL-α-氨基-3-吲哚丙酸L-色氨酸L-α-Amino-3-indolepropionic acid(S)-2-Amino-3-(3-indolyl)propionic acid
Registration numbers
CAS Number
MDL Number
EC Number
Beilstein Number
PubChem SID
Properties
Product Information
Antion Traces
sulfate (SO42-): ≤50 mg/kg
chloride (Cl-): ≤50 mg/kg
Cation Traces
Cd: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Zn: ≤5 mg/kg
Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Fe: ≤5 mg/kg
Ca: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Bi: ≤5 mg/kg
Mn: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Co: ≤5 mg/kg
Li: ≤5 mg/kg
Mo: ≤5 mg/kg
Ignition Residue
≤0.1%
Purity
≥99.5% (NT)
Empirical Formula (Hill Notation)
C11H12N2O2
Impurities
insoluble matter, passes filter test
Product Line
BioUltra
abs.
absorption0.5M/326 nm, 0.5 M HCl cut-off
Loss on Drying
≤0.1% loss on drying, 20 °C (HV)
Physical Property
Melting Point
280-285 °C (dec.)(lit.)
Optical Rotation
[α]20/D -31.5±1°, c = 1% in H2O
Solubility
0.5 M HCl: soluble0.1 g/mL at 20 °C, clear, colorless to faintly yellow
Safety Information
RTECS
YN6130000
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
MSDS Link
German water hazard class
1
Molecule Details
Other Notes
Amino acid precursor of serotonin and melatonin
In tryptophan-substituted Sephadex® and Sepharose® for the improved chromatographic separation of cellulases1; As spacer in isotachophoresis of serum proteins2; Growth requirement of various microorganisms3.
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 93659.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.
Legal Information
Sephadex is a registered trademark of GE Healthcare
Sepharose is a registered trademark of GE Healthcare
Amino acid precursor of serotonin and melatonin
In tryptophan-substituted Sephadex® and Sepharose® for the improved chromatographic separation of cellulases1; As spacer in isotachophoresis of serum proteins2; Growth requirement of various microorganisms3.
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 93659.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.
Legal Information
Sephadex is a registered trademark of GE Healthcare
Sepharose is a registered trademark of GE Healthcare
Molecular Spectra
No Data Available
Click here to submit data
References
No Data Available
Click here to submit data