3-Methyl-2-oxobutanoic acid - ≥95% , CAS No.759-05-7

CAS: 759-05-7 Cat. No.: M194936 Molecular Weight: 116.12 EC Number: 212-065-4
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
2-ketovaline | Butanoic acid, 3-methyl-2-oxo- | s6148 | Isopropylglyoxylic acid | alpha-Oxoisovaleric acid | .ALPHA.-KETOISOVALERIC ACID | .ALPHA.-KETO-ISOVALERIC ACID | 3-methyl-2-oxo butanoic acid | Dimethylpyruvate | alpha-oxo-beta-methylbutyricacid |
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M194936-250mg
1
$19.90
1g
M194936-1g
3
$39.90
5g
M194936-5g
2
$159.90
10g
M194936-10g
2
$299.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Application

2-Oxo-3-methylbutanoic acid  is a useful research chemical.

Specifications

Synonyms
2-ketovaline | Butanoic acid, 3-methyl-2-oxo- | s6148 | Isopropylglyoxylic acid | alpha-Oxoisovaleric acid | .ALPHA.-KETOISOVALERIC ACID | .ALPHA.-KETO-ISOVALERIC ACID | 3-methyl-2-oxo butanoic acid | Dimethylpyruvate | alpha-oxo-beta-methylbutyricacid |
Specifications & Purity
≥95%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504750343
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504750343
Canonical SmilesCC(C)C(=O)C(=O)O
IUPAC Name3-methyl-2-oxobutanoic acid
InChIKeyQHKABHOOEWYVLI-UHFFFAOYSA-N
INCHI1S/C5H8O3/c1-3(2)4(6)5(7)8/h3H,1-2H3,(H,7,8)
Isomeric SMILES CC(C)C(=O)C(=O)O
Molecular Weight 116.12
Reaxy-Rn 1744951
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1744951&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassKeto acids and derivatives
SubclassShort-chain keto acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentShort-chain keto acids and derivatives
Alternative Parents Methyl-branched fatty acids  Alpha-keto acids and derivatives  Alpha-hydroxy ketones  Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Branched fatty acid - Methyl-branched fatty acid - Short-chain keto acid - Alpha-keto acid - Fatty acyl - Alpha-hydroxy ketone - Ketone - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Carbonyl group - Hydrocarbon derivative - Organic oxygen compound - Organooxygen compound - Organic oxide - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms.
External Descriptors Branched fatty acids
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
SLC16A1 Tchem Monocarboxylate transporter 1 (146 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC16A3 Tchem Monocarboxylate transporter 4 (196 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Catharanthus roseus (29 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

12 results found

Lot NumberCertificate TypeDateItem
H2328027Certificate of AnalysisJun 09, 2026 M194936
E2608644Certificate of AnalysisMay 12, 2026 M194936
E2608655Certificate of AnalysisMay 12, 2026 M194936
E2612531Certificate of AnalysisMay 12, 2026 M194936
K2209754Certificate of AnalysisAug 12, 2025 M194936
K2209755Certificate of AnalysisAug 12, 2025 M194936
K2209853Certificate of AnalysisAug 12, 2025 M194936
J2430504Certificate of AnalysisNov 05, 2024 M194936
J2430508Certificate of AnalysisNov 05, 2024 M194936
J2430509Certificate of AnalysisNov 05, 2024 M194936
B2429052Certificate of AnalysisNov 12, 2022 M194936
K2209720Certificate of AnalysisNov 12, 2022 M194936

Show more ⌵

Chemical and Physical Properties
SensitivityMoisture sensitive
Molecular Weight116.110 g/mol
XLogP30.700
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass116.047 Da
Monoisotopic Mass116.047 Da
Topological Polar Surface Area54.400 Ų
Heavy Atom Count8
Formal Charge0
Complexity115.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Kehao Yuan, Zongchao Huo, Ya`ning Zhang, Zuran Guo, Yucan Chang, Yunming Jin, Lining Gao, Tong Zhang, Yanwei Li, Qinyuan Ma, Xiuzhen Gao.  (2024)  Enhancing the amination activity of meso-diaminopimelate dehydrogenase from Symbiobacterium thermophilum by modifying the crucial residue His154 for deamination.  JOURNAL OF BIOTECHNOLOGY,      [PMID:39032700] [10.1016/j.jbiotec.2024.07.015]
2. Jie Ni, Jie Wei, Yeqi Yu, Ming-Hui Fan, Wanting Liu, Kwun Nam Hui, Yan Yan, Yan Liu, Yanqiang Huang, Jie Zeng.  (2025)  Revealing the Role of Interfacial Water in pH-Dependent Hydroxylamine Electrosynthesis over Bi-Based Catalysts.  ACS Catalysis,      [PMID:] [10.1021/acscatal.5c04422]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.