(R)-2-Methylbutanoic acid - ≥95% , CAS No.32231-50-8

CAS: 32231-50-8 Cat. No.: R588721 Molecular Weight: 102.13 EC Number: 995-236-2
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
(2R)-2-methylbutanoic acid | STL164328 | (R)-2-methylbutyric acid | (R)-2-methyl-butyric acid | CHEBI:45525 | AKOS005363826 | EN300-100504 | (R)-2-Methylbutanoic acid | PD007278 | DTXSID8091536 | (R)-2-methylbutanoate | (R)-2-Methylbutanoicacid | Butanoic
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
R588721-50mg
3
$9.90
250mg
R588721-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$27.90
1g
R588721-1g
3

$68.90

$78.90
Save $10.00 (12.67%)
5g
R588721-5g
1
$352.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Protected from light,Store at -20°C Ships Ice chest + Ice pads 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
(2R)-2-methylbutanoic acid | STL164328 | (R)-2-methylbutyric acid | (R)-2-methyl-butyric acid | CHEBI:45525 | AKOS005363826 | EN300-100504 | (R)-2-Methylbutanoic acid | PD007278 | DTXSID8091536 | (R)-2-methylbutanoate | (R)-2-Methylbutanoicacid | Butanoic
Specifications & Purity
≥95%
Storage
Protected from light, Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesCCC(C)C(=O)O
IUPAC Name(2R)-2-methylbutanoic acid
InChIKeyWLAMNBDJUVNPJU-SCSAIBSYSA-N
INCHI1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7)/t4-/m1/s1
Isomeric SMILES CC[C@@H](C)C(=O)O
Molecular Weight 102.13
Reaxy-Rn 1098537
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1098537&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 Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Methyl-branched fatty acid - Monocarboxylic 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 2-methylbutyric acid
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Slc22a20 Solute carrier family 22 member 20 (86 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.

4 results found

Lot NumberCertificate TypeDateItem
J2530165Certificate of AnalysisOct 13, 2025 R588721
J2530166Certificate of AnalysisOct 13, 2025 R588721
J2530168Certificate of AnalysisOct 13, 2025 R588721
J2530169Certificate of AnalysisOct 13, 2025 R588721
Chemical and Physical Properties
Molecular Weight102.130 g/mol
XLogP31.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass102.068 Da
Monoisotopic Mass102.068 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count7
Formal Charge0
Complexity68.500
Isotope Atom Count0
Defined Atom Stereocenter Count1
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. Chen-Yan Zheng, Hai-Long Qian, Cheng Yang, Xu-Qin Ran, Xiu-Ping Yan.  (2023)  Pure Covalent-Organic Framework Membrane as a Label-Free Biomimetic Nanochannel for Sensitive and Selective Sensing of Chiral Flavor Substances.  ACS Sensors,      [PMID:38054443] [10.1021/acssensors.3c01849]
Solution Calculators
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