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ChemicalBook >> CAS DataBase List >> 4-Methylthio-2-oxobutanoic acid sodium salt

4-Methylthio-2-oxobutanoic acid sodium salt

$52 - $6510
Product name: 4-Methylthio-2-oxobutanoic acid sodium salt
CAS: 51828-97-8
MF: C5H9NaO3S
MW: 172.17
EINECS:
MDL Number:MFCD00010511
Synonyms:ALPHA-KETO-GAMMA-METHIOLBUTYRIC ACID SODIUM SALT;sodium α-keto-(γ-methylthio)butyrate;4-methylthio-2-oxobutyric acid, sodium salt;α-keto-γ-(methylthio)butyric acid sodium salt;SODIUM-4-(METHYLTHIO)-2-OXOBUTANOATE;4-Methylthio-2-oxobutanoic acid sodium salt, 4-Methylthio-2-oxobutyric acid sodium salt, KMBA;A-keto-gamma-methiolbutyric acid sodium;alpha-Keto-gamma-(methylthio)butyric acid sodium salt

Price17 Properties Safety Information Description

17 prices

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Brand

aablocks
ACHEMBLOCK
AHH
American Custom Chemicals Corporation
ChemScene
Sigma-Aldrich

Package

1mg
5mg
10mg
25mg
50mg
100MG
500MG
1g
5g

Manufactureraablocks
Product numberAA003VD4
Product description4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT
Packaging5mg
Price$109
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003VD4
Product description4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT
Packaging10mg
Price$143
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003VD4
Product description4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT
Packaging25mg
Price$223
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003VD4
Product description4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT ≥97%
Packaging1mg
Price$52
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA003VD4
Product description4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT
Packaging50mg
Price$322
Updated2026-05-28
Buy

ManufacturerACHEMBLOCK
Product numberY227905
Product descriptionMTOB 97.00%
Packaging25MG
Price$300
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberY227905
Product descriptionMTOB 97.00%
Packaging100MG
Price$670
Updated2026-05-27
Buy

ManufacturerAHH
Product numberMT-16307
Product descriptionalpha-keto-gamma-Methiolbutyric acid sodium salt 97%
Packaging5g
Price$850
Updated2026-05-26
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0126106
Product descriptionALPHA-KETO-GAMMA-(METHYLTHIO)BUTYRIC ACID SODIUM SALT 95.00%
Packaging500MG
Price$871.97
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0126106
Product descriptionALPHA-KETO-GAMMA-(METHYLTHIO)BUTYRIC ACID SODIUM SALT 95.00%
Packaging100MG
Price$697.82
Updated2021-12-16
Buy

ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0126106
Product descriptionALPHA-KETO-GAMMA-(METHYLTHIO)BUTYRIC ACID SODIUM SALT 95.00%
Packaging10MG
Price$626.75
Updated2021-12-16
Buy

ManufacturerChemScene
Product numberCS-0109159
Product descriptionMTOB sodium 97.02%
Packaging10mg
Price$390
Updated2026-06-04
Buy

ManufacturerChemScene
Product numberCS-0109159
Product descriptionMTOB sodium 97.02%
Packaging5mg
Price$230
Updated2026-06-04
Buy

ManufacturerSigma-Aldrich
Product numberK6000
Product descriptionα-Keto-γ-(methylthio)butyric acid sodium salt ≥97%
Packaging10mg
Price$68.6
Updated2023-06-20
Buy

ManufacturerSigma-Aldrich
Product numberK6000
Product descriptionα-Keto-γ-(methylthio)butyric acid sodium salt ≥97%
Packaging100mg
Price$755
Updated2026-04-30
Buy

ManufacturerSigma-Aldrich
Product numberK6000
Product descriptionα-Keto-γ-(methylthio)butyric acid sodium salt ≥97%
Packaging500mg
Price$3360
Updated2026-04-30
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA003VD4	4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT	5mg	$109	2026-05-28	Buy
aablocks	AA003VD4	4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT	10mg	$143	2026-05-28	Buy
aablocks	AA003VD4	4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT	25mg	$223	2026-05-28	Buy
aablocks	AA003VD4	4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT ≥97%	1mg	$52	2026-05-28	Buy
aablocks	AA003VD4	4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT	50mg	$322	2026-05-28	Buy
ACHEMBLOCK	Y227905	MTOB 97.00%	25MG	$300	2026-05-27	Buy
ACHEMBLOCK	Y227905	MTOB 97.00%	100MG	$670	2026-05-27	Buy
AHH	MT-16307	alpha-keto-gamma-Methiolbutyric acid sodium salt 97%	5g	$850	2026-05-26	Buy
American Custom Chemicals Corporation	CHM0126106	ALPHA-KETO-GAMMA-(METHYLTHIO)BUTYRIC ACID SODIUM SALT 95.00%	500MG	$871.97	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0126106	ALPHA-KETO-GAMMA-(METHYLTHIO)BUTYRIC ACID SODIUM SALT 95.00%	100MG	$697.82	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0126106	ALPHA-KETO-GAMMA-(METHYLTHIO)BUTYRIC ACID SODIUM SALT 95.00%	10MG	$626.75	2021-12-16	Buy
ChemScene	CS-0109159	MTOB sodium 97.02%	10mg	$390	2026-06-04	Buy
ChemScene	CS-0109159	MTOB sodium 97.02%	5mg	$230	2026-06-04	Buy
Sigma-Aldrich	K6000	α-Keto-γ-(methylthio)butyric acid sodium salt ≥97%	10mg	$68.6	2023-06-20	Buy
Sigma-Aldrich	K6000	α-Keto-γ-(methylthio)butyric acid sodium salt ≥97%	100mg	$755	2026-04-30	Buy
Sigma-Aldrich	K6000	α-Keto-γ-(methylthio)butyric acid sodium salt ≥97%	500mg	$3360	2026-04-30	Buy

Next Last

Properties

Melting point :>300 °C(lit.)
FEMA :3881 | 4-(METHYLTHIO)-2-OXOBUTANOIC ACID
storage temp. :2-8°C
form :Solid
color :White to off-white
JECFA Number :501
InChI :1S/C5H8O3S.Na/c1-9-3-2-4(6)5(7)8;/h2-3H2,1H3,(H,7,8);/q;+1/p-1
InChIKey :IFSCKRWNXKWTLR-UHFFFAOYSA-M
SMILES :[Na].CSCCC(=O)C(O)=O
CAS DataBase Reference :51828-97-8

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H315	Causes skin irritation	Skin corrosion/irritation	Category 2	Warning	P264, P280, P302+P352, P321,P332+P313, P362
H319	Causes serious eye irritation	Serious eye damage/eye irritation	Category 2A	Warning	P264, P280, P305+P351+P338,P337+P313P
H335	May cause respiratory irritation	Specific target organ toxicity, single exposure;Respiratory tract irritation	Category 3	Warning

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P271	Use only outdoors or in a well-ventilated area.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

An intermediate.

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Suppliers and manufacturers

Shanghai Hanhong Scientific Co.,Ltd. Shanghai Macklin Biochemical Co.,Ltd. Sigma-Aldrich Shanghai YuanYe Biotechnology Co., Ltd. Shanghai Jizhi Biochemical Technology Co. Ltd. Jiangsu aikang biomedical research and development co., LTD Henan Alfa Chemical Co., Ltd Career Henan Chemica Co BOC Sciences CONIER CHEM AND PHARMA LIMITED

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4-Methylthio-2-oxobutanoic acid sodium salt

Properties

Safety Information

Description

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