3-Amino-3-(p-tolyl)propionic Acid - ≥98%(HPLC)(T) , CAS No.68208-18-4

CAS: 68208-18-4 Cat. No.: A151280 Molecular Weight: 179.22 Beilstein Registry Number: 14(2)314 EC Number: 993-826-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(HPLC)(T)
Synonyms
DL-3-Amino-3-p-tolylpropionic acid | DL-3-Amino-3-p-tolyl-propionic acid | 3-amino-3-(4-methylphenyl)propanoic acid | beta-amino-beta-(4-methylphenyl)propionic acid | DL- -(p-Methylphenyl)alanine | AB88533 | Benzenepropanoic acid, .beta.-amino-4-methyl- |
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
250mg
A151280-250mg
3
$9.90
1g
A151280-1g
5
$10.90
5g
A151280-5g
5

$24.90

$37.90
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25g
A151280-25g
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$109.90
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Why this grade

≥98%(HPLC)(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
DL-3-Amino-3-p-tolylpropionic acid | DL-3-Amino-3-p-tolyl-propionic acid | 3-amino-3-(4-methylphenyl)propanoic acid | beta-amino-beta-(4-methylphenyl)propionic acid | DL- -(p-Methylphenyl)alanine | AB88533 | Benzenepropanoic acid, .beta.-amino-4-methyl- |
Specifications & Purity
≥98%(HPLC)(T)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(HPLC)(T)
Names and Identifiers
Pubchem Sid488192426
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488192426
Canonical SmilesCC1=CC=C(C=C1)C(CC(=O)O)N
IUPAC Name3-amino-3-(4-methylphenyl)propanoic acid
InChIKeyXPDAKEOBPKFUAH-UHFFFAOYSA-N
INCHI1S/C10H13NO2/c1-7-2-4-8(5-3-7)9(11)6-10(12)13/h2-5,9H,6,11H2,1H3,(H,12,13)
Isomeric SMILES CC1=CC=C(C=C1)C(CC(=O)O)N
Molecular Weight 179.22
Beilstein 14(2)314
Reaxy-Rn 2832537
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2832537&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives
Direct ParentBeta amino acids and derivatives
Alternative Parents Phenylpropanoic acids  Toluenes  Aralkylamines  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Beta amino acid or derivatives - 3-phenylpropanoic-acid - Toluene - Aralkylamine - Monocyclic benzene moiety - Benzenoid - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Primary amine - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Amine - Carbonyl group - Organic oxygen compound - Organic nitrogen compound - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as beta amino acids and derivatives. These are amino acids having a (-NH2) group attached to the beta carbon atom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

5 results found

Lot NumberCertificate TypeDateItem
H1829130Certificate of AnalysisApr 15, 2026 A151280
H1829131Certificate of AnalysisApr 15, 2026 A151280
A2226050Certificate of AnalysisOct 29, 2025 A151280
C2306930Certificate of AnalysisMar 14, 2023 A151280
C2306935Certificate of AnalysisMar 11, 2023 A151280
Chemical and Physical Properties
Melt Point(°C)219°C
Molecular Weight179.220 g/mol
XLogP3-1.000
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass179.095 Da
Monoisotopic Mass179.095 Da
Topological Polar Surface Area63.300 Ų
Heavy Atom Count13
Formal Charge0
Complexity174.000
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
Solution Calculators
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