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62697-73-8

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Identification

Name
DL-METHIONINE SULFOXIDE
CAS
62697-73-8
Synonyms
H-DL-MET(O)-OH
DL-Methionine S-oxide
Tryptophan Impurity 35
LABOTEST-BB LT00053249
DL-METHIONINE SULFOXIDE
DL-METHIONINE SULPHOXIDE
METHIONINE SULFOXIDE, DL-
DL-MethionineSulfoxide>
DL-METHIONINE-DL-SULFOXIDE
METHIONINE SULFOXIDE, DL-(RG)
DL-METHIONINE SULFOXIDE USP/EP/BP
Cysteine and methionine metabolism
(454-41-1) dl-methionine sulfoxide
DL-Methionine sulfoxide >=99.0% (NT)
2-azaniumyl-4-methylsulfinylbutanoate
DL-Methionine Sulfoxide
DL-2-AMINO-4(METHYLSULFINYL)BUTANOIC ACID
H-DL-Met(O)-OH 2-Amino-4-(methylsulfinyl)butyric Acid
DL-Methionine sulfoxide, (SR)-2-Amino-4(methylsulfinyl)butanoic acid
EINECS(EC#)
263-700-7
Molecular Formula
C5H11NO3S
MDL Number
MFCD00002620
MOL File
62697-73-8.mol
Molecular Weight
165.21

Chemical Properties

Melting point 
~240 °C (dec.)

Boiling point 
434.3±40.0 °C(Predicted)
density 
1.385
pka
2.14±0.10(Predicted)
Water Solubility 
Soluble in water and Hcl.
BRN 
1723793
EPA Substance Registry System
Butanoic acid, 2-amino-4-(methylsulfinyl)- (62697-73-8)

Safety Data

Safety Statements 
24/25
WGK Germany 
3

RTECS 
ES7120000
TSCA 
Yes
Toxicity
LD50 intraperitoneal in mouse: 4gm/kg

Hazard Information

Uses
DL-Methionine sulfoxide is used as pharmaceutical intermediates.
Definition
ChEBI: The S-oxide derivative of methionine. It is a biomarker of oxidative stress.
General Description
DL-Methionine sulfoxide is an oxidation product of DL-methionine.

Purification Methods
Likely impurities are dl-methionine sulfone and dl-methionine. Crystallise the sulfoxide by dissolving it in hot H2O and adding excess EtOH. [Lepp & Dunn Biochemical Preparations 4 80 1955, Micheel & Schmitz Chem Ber 72 518 1939, Beilstein 4 III 1650, 4 IV 3192.]

Spectrum Detail

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