4-Benzoyl-L-phenylalanine - ≥95% , CAS No.104504-45-2

CAS: 104504-45-2 Cat. No.: B132979 Molecular Weight: 269.3 EC Number: 811-535-1
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
H-Phe(4-Bzo)-OH.nH2O | L-p-Benzoylphenylalanine | L-Phenylalanine, 4-benzoyl- | AC-907/25014298 | p-benzoyl-l-phenylalanine | A26763 | DS-4812 | H-L-Bpa-OH | para-Benzoyl-L-phenylalanine | L-P-Benzoylphenylalanine; 4-Benzoyl-l-phenylalanine | (2S)-2-Azani
Storage
Protected from light,Room temperature,Argon charged,Desiccated,Cool
Shipped In
Normal
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Size
Status
Price
Qty
250mg
B132979-250mg
1
$14.90
1g
B132979-1g
1
$44.90
5g
B132979-5g
2
$179.90
10g
B132979-10g
1
$284.90
25g
B132979-25g
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$519.90
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Why this grade

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

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged,Desiccated,Cool 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.

📚

Literature proof

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

Overview

Application:

4-Benzoyl-L-phenylalanine is a photoreactive amino acid which can easily be incorporated into a peptide by solid-phase synthesis and finds application as phtolabel. It is an important raw material as well as an intermediate in organic synthesis.

Specifications

Synonyms
H-Phe(4-Bzo)-OH.nH2O | L-p-Benzoylphenylalanine | L-Phenylalanine, 4-benzoyl- | AC-907/25014298 | p-benzoyl-l-phenylalanine | A26763 | DS-4812 | H-L-Bpa-OH | para-Benzoyl-L-phenylalanine | L-P-Benzoylphenylalanine; 4-Benzoyl-l-phenylalanine | (2S)-2-Azani
Specifications & Purity
≥95%
Biochemical and Physiological Mechanisms
Photoreactive unnatural amino acid. Acts as photo cross-linking probe when incorporated into proteins, including ion channels, transporters and GPCRs. When exposed to UV light it forms a covalent cross-link with a C-H bond-containing group, enabling selec
Storage
Protected from light, Room temperature, Argon charged, Desiccated, Cool
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid504764628
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764628
Canonical SmilesC1=CC=C(C=C1)C(=O)C2=CC=C(C=C2)CC(C(=O)O)N
IUPAC Name(2S)-2-amino-3-(4-benzoylphenyl)propanoic acid
InChIKeyTVIDEEHSOPHZBR-AWEZNQCLSA-N
INCHI1S/C16H15NO3/c17-14(16(19)20)10-11-6-8-13(9-7-11)15(18)12-4-2-1-3-5-12/h1-9,14H,10,17H2,(H,19,20)/t14-/m0/s1
Isomeric SMILES C1=CC=C(C=C1)C(=O)C2=CC=C(C=C2)C[C@@H](C(=O)O)N
Molecular Weight 269.3
Reaxy-Rn 7212040
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7212040&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
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 Benzophenones  Aryl-phenylketones  Diphenylmethanes  Phenylpropanoic acids  Amphetamines and derivatives  L-alpha-amino acids  Benzoyl derivatives  Aralkylamines  Amino acids  Carboxylic acid salts  Monocarboxylic acids and derivatives  Carboxylic acids  Hydrocarbon derivatives  Monoalkylamines  Organic oxides  Organic salts  Organic zwitterions  Organopnictogen compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Phenylalanine or derivatives - Benzophenone - Aryl-phenylketone - Diphenylmethane - 3-phenylpropanoic-acid - Alpha-amino acid - Amphetamine or derivatives - L-alpha-amino acid - Benzoyl - Aryl ketone - Aralkylamine - Monocyclic benzene moiety - Benzenoid - Amino acid - Carboxylic acid salt - Ketone - Monocarboxylic acid or derivatives - Carboxylic acid - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Organic oxygen compound - Hydrocarbon derivative - Amine - Carbonyl group - Organic nitrogen compound - Organic oxide - Organopnictogen compound - Organic salt - Primary amine - Organic zwitterion - 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.

17 results found

Lot NumberCertificate TypeDateItem
D1726036Certificate of AnalysisMay 21, 2026 B132979
A2614218Certificate of AnalysisDec 29, 2025 B132979
A2614275Certificate of AnalysisDec 29, 2025 B132979
A2614244Certificate of AnalysisDec 29, 2025 B132979
A2614217Certificate of AnalysisDec 29, 2025 B132979
F2518125Certificate of AnalysisJul 02, 2025 B132979
H2329216Certificate of AnalysisJun 10, 2025 B132979
H2329217Certificate of AnalysisJun 10, 2025 B132979
H2329218Certificate of AnalysisJun 10, 2025 B132979
H2329270Certificate of AnalysisJun 10, 2025 B132979
B2311860Certificate of AnalysisNov 20, 2024 B132979
B2311897Certificate of AnalysisNov 20, 2024 B132979
B2311869Certificate of AnalysisNov 12, 2024 B132979
B2311823Certificate of AnalysisNov 12, 2024 B132979
D2403039Certificate of AnalysisAug 12, 2023 B132979
J2128157Certificate of AnalysisAug 01, 2023 B132979
J2128158Certificate of AnalysisAug 01, 2023 B132979

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Chemical and Physical Properties
SolubilitySolvent:80% acetic acid, Max Conc. mg/mL: 13.46, Max Conc. mM: 50
SensitivityLight sensitive
Molecular Weight269.290 g/mol
XLogP30.200
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count5
Exact Mass269.105 Da
Monoisotopic Mass269.105 Da
Topological Polar Surface Area80.400 Ų
Heavy Atom Count20
Formal Charge0
Complexity342.000
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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