L-Tryptophan

• Catalog No.: 93659
• CAS Number: 73-22-3
• M. F.: C11H12N2O2
• M. W.: 204.22518
• Purity: ≥99.5% (NT)

SYNONYMS

• Title: L-色氨酸
• IUPAC name: (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
• IUPAC Traditional name: L-tryptophan
• Synonyms: (S)-2-Amino-3-(3-indolyl)propionic acid; L-α-Amino-3-indolepropionic acid; (S)-2-氨基-3-(3-吲哚基)丙酸; L-α-氨基-3-吲哚丙酸

DATABASE IDS

• Beilstein Number: 86197
• CAS Number: 73-22-3
• EC Number: 200-795-6
• MDL Number: MFCD00064340
• PubChem SID: 24889916

PROPERTIES

• abs.: absorption0.5M/326 nm, 0.5 M HCl cut-off
• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤50 mg/kg
• Cation Traces: Al: ≤5 mg/kg
• Cation Traces: As: ≤0.1 mg/kg
• Cation Traces: Ba: ≤5 mg/kg
• Cation Traces: Bi: ≤5 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Li: ≤5 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Mo: ≤5 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Sr: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Empirical Formula (Hill Notation): C11H12N2O2
• Ignition Residue: ≤0.1%
• Impurities: insoluble matter, passes filter test
• Loss on Drying: ≤0.1% loss on drying, 20 °C (HV)
• Product Line: BioUltra
• Purity: ≥99.5% (NT)
• 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
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: YN6130000
• German water hazard class: 1

DETAILS

Description (English)

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

Description (简体中文)

Other Notes
血清素和褪黑激素的氨基酸前体
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.
法律信息
Sephadex is a registered trademark of GE Healthcare
Sepharose is a registered trademark of GE Healthcare