Determine the necessary mass, volume, or concentration for preparing a solution.
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≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
General description:
α,4-Dimethylphenylacetic acid is also referred to as 2-(4-methylphenyl)propanoic acid. It is an alkaline decomposition product of azalomycin-B, a macrolide antibiotic produced by Streptomyces hygroscopicus var. azalomyceticus. The reaction of pinonic acid with bromine in water affords 2-(4-methylphenyl)propanoic acid.
| Pubchem Sid | 488188223 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488188223 |
| Canonical Smiles | CC1=CC=C(C=C1)C(C)C(=O)O |
| IUPAC Name | 2-(4-methylphenyl)propanoic acid |
| InChIKey | KDYOFXPLHVSIHS-UHFFFAOYSA-N |
| INCHI | 1S/C10H12O2/c1-7-3-5-9(6-4-7)8(2)10(11)12/h3-6,8H,1-2H3,(H,11,12) |
| Isomeric SMILES | CC1=CC=C(C=C1)C(C)C(=O)O |
| WGK Germany | 3 |
| PubChem CID | 150866 |
| Molecular Weight | 164.2 |
| Beilstein | 2251320 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Phenylpropanoids and polyketides |
| Class | Phenylpropanoic acids |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Phenylpropanoic acids |
| Alternative Parents | Monocyclic monoterpenoids Aromatic monoterpenoids Toluenes Monocarboxylic acids and derivatives Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | 2-phenylpropanoic-acid - P-cymene - Aromatic monoterpenoid - Monocyclic monoterpenoid - Monoterpenoid - Toluene - Benzenoid - Monocyclic benzene moiety - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organooxygen compound - Hydrocarbon derivative - Carbonyl group - Organic oxide - Organic oxygen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as phenylpropanoic acids. These are compounds with a structure containing a benzene ring conjugated to a propanoic acid. |
| External Descriptors | Not available |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Jan 26, 2026 | P195954 | |
| Certificate of Analysis | Oct 13, 2025 | P195954 | |
| Certificate of Analysis | Oct 13, 2025 | P195954 | |
| Certificate of Analysis | Oct 13, 2025 | P195954 | |
| Certificate of Analysis | Oct 13, 2025 | P195954 | |
| Certificate of Analysis | Oct 13, 2025 | P195954 | |
| Certificate of Analysis | Oct 13, 2025 | P195954 | |
| Certificate of Analysis | Jul 30, 2022 | P195954 |
| Flash Point(°F) | 230 °F |
|---|---|
| Flash Point(°C) | 110 °C |
| Melt Point(°C) | 37-42 °C (lit.) |
| Molecular Weight | 164.200 g/mol |
| XLogP3 | 2.300 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 164.084 Da |
| Monoisotopic Mass | 164.084 Da |
| Topological Polar Surface Area | 37.300 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 157.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Songlin Chen, Junchao Zhu, Chenlei Ma, Beibei Zhu, Huiyun Qiu, Shengqiang Tong. (2024) Mercapto-β-cyclodextrin covalent organic frameworks for enantioselective liquid-liquid extraction. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2024.133496] |