N-Fmoc-4-methoxy-L-phenylalanine - ≥95% , CAS No.77128-72-4

CAS: 77128-72-4 Cat. No.: N136873 Molecular Weight: 417.45 EC Number: 812-305-3
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GRADE & PURITY ≥95%
Synonyms
(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-(4-methoxyphenyl)propanoic acid | I10336 | AKOS015896041 | (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(4-methoxyphenyl)propanoic acid | A838965 | FMOC-4-METHOXY-PHE-OH | Fmoc-L-tyrosine methyl ether |
Storage
Room temperature
Shipped In
Normal
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Why this grade

≥95% 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.

Overview

An Fmoc protected tyrosine derivative

Specifications

Synonyms
(2S)-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-3-(4-methoxyphenyl)propanoic acid | I10336 | AKOS015896041 | (2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(4-methoxyphenyl)propanoic acid | A838965 | FMOC-4-METHOXY-PHE-OH | Fmoc-L-tyrosine methyl ether |
Specifications & Purity
≥95%
Biochemical and Physiological Mechanisms
Fmoc-O-methyl-L-tyrosine is an Fmoc protected tyrosine derivative that is potentially useful for proteomics studies and solid phase peptide synthesis techniques. Tyrosine is a very important amino acid - one of the few amino acids which is phosphorylated
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid488193279
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488193279
Canonical SmilesCOC1=CC=C(C=C1)CC(C(=O)O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24
IUPAC Name(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(4-methoxyphenyl)propanoic acid
InChIKeyJYQODLWFOPCSCS-QHCPKHFHSA-N
INCHI1S/C25H23NO5/c1-30-17-12-10-16(11-13-17)14-23(24(27)28)26-25(29)31-15-22-20-8-4-2-6-18(20)19-7-3-5-9-21(19)22/h2-13,22-23H,14-15H2,1H3,(H,26,29)(H,27,28)/t23-/m0/s1
Isomeric SMILES COC1=CC=C(C=C1)C[C@@H](C(=O)O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24
Molecular Weight 417.45
Reaxy-Rn 20523924
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=20523924&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 - Alpha amino acids and derivatives
Direct ParentPhenylalanine and derivatives
Alternative Parents Fluorenes  Phenylpropanoic acids  Amphetamines and derivatives  Phenoxy compounds  Anisoles  Methoxybenzenes  Alkyl aryl ethers  Carbamate esters  Organic carbonic acids and derivatives  Monocarboxylic acids and derivatives  Carboxylic acids  Carbonyl compounds  Hydrocarbon derivatives  Organic oxides  Organonitrogen compounds  Organopnictogen compounds  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Phenylalanine or derivatives - Fluorene - 3-phenylpropanoic-acid - Amphetamine or derivatives - Phenoxy compound - Anisole - Methoxybenzene - Phenol ether - Alkyl aryl ether - Monocyclic benzene moiety - Benzenoid - Carbamic acid ester - Carbonic acid derivative - Carboxylic acid - Ether - Monocarboxylic acid or derivatives - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Carbonyl group - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic homopolycyclic 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.

4 results found

Lot NumberCertificate TypeDateItem
A2203356Certificate of AnalysisJul 14, 2025 N136873
A2203381Certificate of AnalysisJul 14, 2025 N136873
A2203383Certificate of AnalysisJul 14, 2025 N136873
F1529100Certificate of AnalysisJan 24, 2023 N136873
Chemical and Physical Properties
Molecular Weight417.500 g/mol
XLogP34.600
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count8
Exact Mass417.158 Da
Monoisotopic Mass417.158 Da
Topological Polar Surface Area84.900 Ų
Heavy Atom Count31
Formal Charge0
Complexity595.000
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
Solution Calculators
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