Merck
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64319

Sigma-Aldrich

L-Methionine

BioUltra, ≥99.5% (NT)

Synonym(s):
(S)-2-Amino-4-(methylmercapto)butyric acid, L-2-Amino-4-(methylthio)butanoic acid
Linear Formula:
CH3SCH2CH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
149.21
Beilstein:
1722294
Número de EC:
Número MDL:
eCl@ss:
32160406
ID de la sustancia en PubChem:
NACRES:
NA.26

Nivel de calidad

200

origen biológico

synthetic

línea de producto

BioUltra

ensayo

≥99.5% (NT)

formulario

powder or crystals

actividad óptica

[α]20/D +23.7±0.5°, c = 5% in 5 M HCl

impurezas

insoluble matter, passes filter test
≤0.5% foreign amino acids

residuo de ign.

≤0.1%

pérdida

≤0.1% loss on drying, 20 °C (HV)

color

white

mp

284 °C (dec.) (lit.)

solubilidad

1 M HCl: 0.5 M at 20 °C, clear, colorless

trazas de anión

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

trazas de catión

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
NH4+: ≤100 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.5 M in 1 M HCl

Absorción UV

λ: 260 nm Amax: 0.40
λ: 280 nm Amax: 0.05

SMILES string

CSCC[C@H](N)C(O)=O

InChI

1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1

InChI key

FFEARJCKVFRZRR-BYPYZUCNSA-N

Gene Information

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Otras notas

Synthesis of labels for protonation studies by Fourier Transform Infrared Methods for L-glutaric-513C acid; Spacer in isotachophoresis of serum proteins; Essential in culture media for some malignant human cell lines; Growth requirement of various microorganisms

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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