4-Acetyl-L-phenylalanine - ≥97% , CAS No.122555-04-8

CAS: 122555-04-8 Cat. No.: A664821 Molecular Weight: 207.23
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
H-Phe(4-Ac)-OH | L-4-Acetylphenylalanine
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
A664821-50mg
1
$22.90
200mg
A664821-200mg
1
$59.90
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Why this grade

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

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Storage & shipping

Store at 2-8°C,Protected from light,Argon charged Ships Wet ice 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
H-Phe(4-Ac)-OH | L-4-Acetylphenylalanine
Specifications & Purity
≥97%
Storage
Store at 2-8°C, Protected from light, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCC(=O)C1=CC=C(C=C1)CC(C(=O)O)N
IUPAC Name(2S)-3-(4-acetylphenyl)-2-aminopropanoic acid
InChIKeyZXSBHXZKWRIEIA-JTQLQIEISA-N
INCHI1S/C11H13NO3/c1-7(13)9-4-2-8(3-5-9)6-10(12)11(14)15/h2-5,10H,6,12H2,1H3,(H,14,15)/t10-/m0/s1
Isomeric SMILES CC(=O)C1=CC=C(C=C1)C[C@@H](C(=O)O)N
Alternate CAS 122555-04-8;20299-31-4
MeSH Entry Terms 3-(4-acetylphenyl)-2-aminopropanoic acid;p-acetyl-L-phenylalanine;p-acetylphenylalanine
Molecular Weight 207.23

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.

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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 - Alpha amino acids and derivatives
Direct ParentPhenylalanine and derivatives
Alternative Parents Alkyl-phenylketones  Phenylpropanoic acids  L-alpha-amino acids  Amphetamines and derivatives  Acetophenones  Benzoyl derivatives  Aryl alkyl ketones  Aralkylamines  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Phenylalanine or derivatives - Alkyl-phenylketone - 3-phenylpropanoic-acid - L-alpha-amino acid - Alpha-amino acid - Amphetamine or derivatives - Acetophenone - Phenylketone - Aryl alkyl ketone - Aryl ketone - Benzoyl - Aralkylamine - Monocyclic benzene moiety - Benzenoid - Amino acid - Ketone - Monocarboxylic acid or derivatives - Carboxylic acid - Organic nitrogen compound - Primary aliphatic amine - Organonitrogen compound - Organooxygen compound - Carbonyl group - Primary amine - Hydrocarbon derivative - Organic oxide - Amine - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenylalanine and derivatives. These are compounds containing phenylalanine or a derivative thereof resulting from reaction of phenylalanine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Not available
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.

5 results found

Lot NumberCertificate TypeDateItem
E2611201Certificate of AnalysisApr 10, 2026 A664821
C2512672Certificate of AnalysisFeb 12, 2025 A664821
C2512673Certificate of AnalysisFeb 12, 2025 A664821
E2416102Certificate of AnalysisMar 20, 2024 A664821
E2416103Certificate of AnalysisMar 20, 2024 A664821
Chemical and Physical Properties
Sensitivitylight sensitive
Molecular Weight207.230 g/mol
XLogP3-1.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass207.09 Da
Monoisotopic Mass207.09 Da
Topological Polar Surface Area80.400 Ų
Heavy Atom Count15
Formal Charge0
Complexity244.000
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
Documents & Articles
Solution Calculators
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