2-(p-Tolyl)propionic acid - ≥97% , CAS No.938-94-3

CAS: 938-94-3 Cat. No.: P195954 Molecular Weight: 164.2 Beilstein Registry Number: 2251320 EC Number: 627-324-0 PubChem CID: 150866
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
alpha ,4-Dimethylphenylacetic acid | SCHEMBL349312 | J-506064 | 2-(4-Tolyl)propanoic acid | AMY4145 | BIDD:ER0485 | 2-p-Tolylpropionic Acid | AKOS004906184 | alpha,4-Dimethylphenylacetic acid, 97% | a,4-Dimethylphenylacetic acid | .ALPHA.-(P-TOLYL)PROPION
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
P195954-5g
2

$9.90

$14.90
Save $5.00 (33.56%)
25g
P195954-25g
2

$12.90

$19.90
Save $7.00 (35.18%)
100g
P195954-100g
2

$39.90

$59.90
Save $20.00 (33.39%)
500g
P195954-500g
1

$195.90

$293.90
Save $98.00 (33.34%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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.

Overview

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.

Specifications

Synonyms
alpha , 4-Dimethylphenylacetic acid | SCHEMBL349312 | J-506064 | 2-(4-Tolyl)propanoic acid | AMY4145 | BIDD:ER0485 | 2-p-Tolylpropionic Acid | AKOS004906184 | alpha, 4-Dimethylphenylacetic acid, 97% | a, 4-Dimethylphenylacetic acid | .ALPHA.-(P-TOLYL)PROPION
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488188223
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488188223
Canonical SmilesCC1=CC=C(C=C1)C(C)C(=O)O
IUPAC Name2-(4-methylphenyl)propanoic acid
InChIKeyKDYOFXPLHVSIHS-UHFFFAOYSA-N
INCHI1S/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

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
SuperclassPhenylpropanoids and polyketides
ClassPhenylpropanoic acids
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentPhenylpropanoic acids
Alternative Parents Monocyclic monoterpenoids  Aromatic monoterpenoids  Toluenes  Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic 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
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ASIC3 Tchem Amiloride-sensitive cation channel 3 (217 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CXCR2 Tchem Interleukin-8 receptors, CXCR1/CXCR2 (285 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Asic1 Acid-sensing ion channel 1 (41 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.

8 results found

Lot NumberCertificate TypeDateItem
A2620047Certificate of AnalysisJan 26, 2026 P195954
A2309638Certificate of AnalysisOct 13, 2025 P195954
A2309641Certificate of AnalysisOct 13, 2025 P195954
A2309643Certificate of AnalysisOct 13, 2025 P195954
A2309645Certificate of AnalysisOct 13, 2025 P195954
A2309648Certificate of AnalysisOct 13, 2025 P195954
A2309649Certificate of AnalysisOct 13, 2025 P195954
A2309642Certificate of AnalysisJul 30, 2022 P195954
Chemical and Physical Properties
Flash Point(°F)230 °F
Flash Point(°C)110 °C
Melt Point(°C)37-42 °C (lit.)
Molecular Weight164.200 g/mol
XLogP32.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass164.084 Da
Monoisotopic Mass164.084 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count12
Formal Charge0
Complexity157.000
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. 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]
Solution Calculators
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