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64340

Sigma-Aldrich

DL-Methionin

≥99.0% (NT)

Synonym(e):

(±)-2-Amino-4-methylmercapto-buttersäure, DL-2-Amino-4-(methylthio)-buttersäure

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About This Item

Lineare Formel:
CH3SCH2CH2CH(NH2)COOH
CAS-Nummer:
59-51-8
Molekulargewicht:
149.21
Beilstein:
636185
EG-Nummer:
200-432-1
MDL-Nummer:
MFCD00063096
UNSPSC-Code:
12352209
PubChem Substanz-ID:
329759959
NACRES:
NA.26

product name

DL-Methionin, ≥99.0% (NT)

Qualitätsniveau

200

Assay

≥99.0% (NT)

Form

powder or crystals

Optische Aktivität

[α]/D, c = 5 in 5 M HCl (inactive)

Konzentration

5% in 5 M HCl

Glührückstand

≤0.05%

Farbe

white

mp (Schmelzpunkt)

280 °C (dec.) (lit.)

Löslichkeit

5 M HCl: 1 g/10 mL, clear, colorless to almost colorless

Eignung

corresponds for TLC

Anwendung(en)

peptide synthesis

SMILES String

CSCCC(N)C(O)=O

InChI

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

InChIKey

FFEARJCKVFRZRR-UHFFFAOYSA-N

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Anwendung

DL-Methionine has been used to study the susceptibility of methionine to oxidation during the development of monoclonal antibodies.

Biochem./physiol. Wirkung

Methionine is an essential amino acid which acts a precursor for transmethylation and transsulfuration. In proteins, L-methionine is the biologically active form. D-methionine is converted to L-methionine by enzymes in the body. The adenosylation of methionine results in the formation of S-adenosyl-L-methionine (SAM), which serves as a methyl donor to various substances. L-Methionine′s metabolic product glutathione is known to regulate immune response and has antiviral action.

Anwendung

Produkt-Nr.
Beschreibung
Preisangaben

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

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Analysenzertifikate (COA)

Lot/Batch Number

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