Methylsuccinic Acid - ≥99% , CAS No.498-21-5

CAS: 498-21-5 Cat. No.: M101729 Molecular Weight: 132.11 Beilstein Registry Number: 1722946 EC Number: 207-857-1
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
2-Methylsuccinicacid | CHEBI:91315 | Butanedioic acid, methyl- | FT-0690327 | UNII-H1547KG7UZ | AKOS003790959 | (R)-(+)-MethylsuccinicAcid | Pyrotartaric acid | SY036933 | (+/-)-.ALPHA.-METHYLSUCCINIC ACID | FT-0605228 | STK301547 | 2-methylbutane-1,4-dio
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
M101729-5g
4
$9.90
10g
M101729-10g
2
$14.90
25g
M101729-25g
4
$19.90
100g
M101729-100g
4
$59.90
500g
M101729-500g
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$199.90
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product Application:

Methylsuccinic acid is used as a flux material and an important dyestuff intermediate. It is also used as an intermediate in medicine and pharmaceuticals.

Specifications

Synonyms
2-Methylsuccinicacid | CHEBI:91315 | Butanedioic acid, methyl- | FT-0690327 | UNII-H1547KG7UZ | AKOS003790959 | (R)-(+)-MethylsuccinicAcid | Pyrotartaric acid | SY036933 | (+/-)-.ALPHA.-METHYLSUCCINIC ACID | FT-0605228 | STK301547 | 2-methylbutane-1, 4-dio
Specifications & Purity
≥99%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488181120
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488181120
Canonical SmilesCC(CC(=O)O)C(=O)O
IUPAC Name2-methylbutanedioic acid
InChIKeyWXUAQHNMJWJLTG-UHFFFAOYSA-N
INCHI1S/C5H8O4/c1-3(5(8)9)2-4(6)7/h3H,2H2,1H3,(H,6,7)(H,8,9)
Isomeric SMILES CC(CC(=O)O)C(=O)O
WGK Germany 3
Molecular Weight 132.11
Beilstein 1722946
Reaxy-Rn 1722946
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1722946&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
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acids and conjugates
Intermediate Tree Nodes Branched fatty acids
Direct ParentMethyl-branched fatty acids
Alternative Parents Dicarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Methyl-branched fatty acid - Dicarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as methyl-branched fatty acids. These are fatty acids with an acyl chain that has a methyl branch. Usually, they are saturated and contain only one or more methyl group. However, branches other than methyl may be present.
External Descriptors Dicarboxylic acids
3D Structure
Interactive Chemical Structure Model





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.

18 results found

Lot NumberCertificate TypeDateItem
L2504569Certificate of AnalysisNov 24, 2025 M101729
L2504568Certificate of AnalysisNov 24, 2025 M101729
L2504567Certificate of AnalysisNov 24, 2025 M101729
L2504566Certificate of AnalysisNov 24, 2025 M101729
I2129109Certificate of AnalysisJul 14, 2025 M101729
I2129110Certificate of AnalysisJul 14, 2025 M101729
I2129111Certificate of AnalysisJul 14, 2025 M101729
L2406327Certificate of AnalysisNov 21, 2024 M101729
L2406270Certificate of AnalysisNov 21, 2024 M101729
L2406268Certificate of AnalysisNov 21, 2024 M101729
L2406269Certificate of AnalysisNov 21, 2024 M101729
C1915063Certificate of AnalysisJan 06, 2023 M101729
K2228609Certificate of AnalysisSep 27, 2022 M101729
K2228602Certificate of AnalysisSep 27, 2022 M101729
K2228600Certificate of AnalysisSep 27, 2022 M101729
K2228573Certificate of AnalysisSep 27, 2022 M101729
J2528219Certificate of AnalysisSep 27, 2022 M101729
A2329057Certificate of AnalysisSep 27, 2022 M101729

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Chemical and Physical Properties
SolubilitySoluble in water.
SensitivityMoisture sensitive.
Melt Point(°C)110-115°C
Molecular Weight132.110 g/mol
XLogP3-0.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass132.042 Da
Monoisotopic Mass132.042 Da
Topological Polar Surface Area74.600 Ų
Heavy Atom Count9
Formal Charge0
Complexity129.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
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. Shiyao Liu, Yutong Gong, Xiao Yang, Nannan Zhang, Huibin Liu, Changhai Liang, Xiao Chen.  (2023)  Acid-durable intermetallic CaNi2Si2 catalyst with electron-rich Ni sites for aqueous phase hydrogenation of unsaturated organic anhydrides/acids.  CHINESE JOURNAL OF CATALYSIS,      [PMID:] [10.1016/S1872-2067(23)64473-0]
Solution Calculators
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