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Merck

K6000

α-Keto-γ-(methylthio)butyric acid sodium salt

≥97%

Synonym(s):

4-Methylthio-2-oxobutanoic acid sodium salt, 4-Methylthio-2-oxobutyric acid sodium salt, KMBA

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RM 3,761.00

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RM 16,696.00

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RM 32,396.00

RM 3,761.00

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About This Item

Linear Formula:
C5H7O3SNa
CAS Number:
51828-97-8
Molecular Weight:
170.16
NACRES:
NA.22
PubChem Substance ID:
57654320
UNSPSC Code:
12352100
MDL number:
MFCD00010511

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Product Name

α-Keto-γ-(methylthio)butyric acid sodium salt, ≥97%

InChI

1S/C5H8O3S.Na/c1-9-3-2-4(6)5(7)8;/h2-3H2,1H3,(H,7,8);/q;+1/p-1

SMILES string

[Na].CSCCC(=O)C(O)=O

InChI key

IFSCKRWNXKWTLR-UHFFFAOYSA-M

assay

≥97%

storage temp.

2-8°C

Quality Level

200

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1 of 4

This Item
K662594904K0875
α-Keto-γ-(methylthio)butyric acid sodium salt ≥97%

Sigma-Aldrich

K6000

α-Keto-γ-(methylthio)butyric acid sodium salt

2-Ketohexanoic acid sodium salt 97.0-103.0%

Sigma-Aldrich

K6625

2-Ketohexanoic acid sodium salt

Sodium 4-vinylbenzenesulfonate technical, ≥90% (T)

Sigma-Aldrich

94904

Sodium 4-vinylbenzenesulfonate

Sodium 2-oxobutyrate powder

Sigma-Aldrich

K0875

Sodium 2-oxobutyrate

assay

≥97%

assay

97.0-103.0%

assay

≥90% (T)

assay

≥97%

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

Application


  • Measuring antioxidant capacity using the ORAC and TOSC assays.: This study details the use of α-Keto-γ-(methylthio)butyric acid sodium salt in assessing antioxidant capacity through ORAC and TOSC assays, emphasizing its utility in metabolic and chemical synthesis research (Garrett AR et al., 2010).

General description

α-Keto-γ-methylthiobutyric acid (KMTB) is a keto derivative of L-methionine that shows considerable potential as a substitute for L-methionine. The sodium salt of KMTB can be employed in nucleophilic substitution reactions. Additionally, it acts as a building block for the synthesis of amino acids, peptides, and other complex organic compounds. [1]

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000430949
0000430949
0000421762
0000421760
0000421760

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Z Findrik et al.
Biotechnology and bioengineering, 98(5), 956-967 (2007-05-31)
D-Methionine was converted to L-methionine in a reaction system where four enzymes were used. D-amino acid oxidase (D-AAO) from Arthrobacter protophormiae was used for the complete conversion of D-methionine to 2-oxo-4-methylthiobutyric acid. Catalase was added to prevent 2-oxo-4-methylthiobutyric acid decarboxylation.
D R Livingstone et al.
Marine environmental research, 50(1-5), 57-60 (2001-07-20)
The present study investigated the proposed involvement of contaminant-stimulated reactive oxygen species (ROS) production in disease processes in fish. NAD(P)H-dependent ROS production of subcellular fractions was determined by the iron/EDTA-mediated oxidation of 2-keto-4-methiolbutyric acid. Hepatic cytosolic NADPH-dependent and microsomal NAD(P)H-dependent
H Schempp et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 13 Suppl 5, 36-44 (2006-06-17)
A combination of ethanolic extracts from nine medicinal plants is successfully used in STW 5 (Iberogast((R))) for treatment of gastrointestinal disorders. To elucidate possible modes of action, the focus of this study is on antioxidant properties of the phytomedicine STW
Baiqing Tang et al.
Biochemical pharmacology, 72(7), 806-815 (2006-07-28)
4-Methylthio-2-oxobutanoic acid (MTOB) is the final compound of the methionine salvage pathway that converts the polyamine byproduct methylthioadenosine to adenine and methionine. Here we find that MTOB inhibits growth of several human cell lines in a dose-dependent manner. Growth inhibition
Gary W Winston et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 139(4), 281-288 (2005-02-03)
During embryogenesis in grass shrimp the capacity to scavenge oxyradicals increased as measured by the Total Oxyradical Scavenging Capacity (TOSC) assay. The increase in TOSC during embryogenesis was associated with increasing concentrations of a number of antioxidants, including coenzyme Q
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