N-Fmoc-S-(4-methoxybenzyl)-L-cysteine - ≥98% , CAS No.141892-41-3

CAS: 141892-41-3 Cat. No.: F116776 Molecular Weight: 463.6 PubChem CID: 11236605
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(4-methoxyphenyl)methylsulfanyl]propanoic Acid | A807826 | N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(4-methoxybenzyl)-L-cysteine | AC-8589 | J-007565 | Fmoc-Cys(pMeBzl)-OH | DS-15027 | DTXSID80459673 | FMOC-S-4-M
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
F116776-5g
3

$29.90

$44.90
Save $15.00 (33.41%)
25g
F116776-25g
2

$95.90

$143.90
Save $48.00 (33.36%)
100g
F116776-100g
2

$335.90

$503.90
Save $168.00 (33.34%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C 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.

📚

Literature proof

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

Overview

Fmoc-Cys(pMeBzl)-OH is a cysteine derivative protected at its N-terminal.
A cysteine derivative.

Specifications

Synonyms
2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(4-methoxyphenyl)methylsulfanyl]propanoic Acid | A807826 | N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(4-methoxybenzyl)-L-cysteine | AC-8589 | J-007565 | Fmoc-Cys(pMeBzl)-OH | DS-15027 | DTXSID80459673 | FMOC-S-4-M
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504766195
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504766195
Canonical SmilesCOC1=CC=C(C=C1)CSCC(C(=O)O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24
IUPAC Name(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(4-methoxyphenyl)methylsulfanyl]propanoic acid
InChIKeyIWZGYHFOLFRYPK-DEOSSOPVSA-N
INCHI1S/C26H25NO5S/c1-31-18-12-10-17(11-13-18)15-33-16-24(25(28)29)27-26(30)32-14-23-21-8-4-2-6-19(21)20-7-3-5-9-22(20)23/h2-13,23-24H,14-16H2,1H3,(H,27,30)(H,28,29)/t24-/m0/s1
Isomeric SMILES COC1=CC=C(C=C1)CSC[C@@H](C(=O)O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24
PubChem CID 11236605
Molecular Weight 463.6

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
SuperclassBenzenoids
ClassFluorenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentFluorenes
Alternative Parents Cysteine and derivatives  Phenoxy compounds  Methoxybenzenes  Anisoles  Alkyl aryl ethers  Carbamate esters  Sulfenyl compounds  Monocarboxylic acids and derivatives  Dialkylthioethers  Carboxylic acids  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Fluorene - Cysteine or derivatives - Alpha-amino acid or derivatives - Phenoxy compound - Anisole - Methoxybenzene - Phenol ether - Alkyl aryl ether - Monocyclic benzene moiety - Carbamic acid ester - Carboxylic acid derivative - Carboxylic acid - Ether - Dialkylthioether - Monocarboxylic acid or derivatives - Sulfenyl compound - Thioether - Organic oxide - Organic oxygen compound - Hydrocarbon derivative - Organonitrogen compound - Organooxygen compound - Organosulfur compound - Carbonyl group - Organic nitrogen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as fluorenes. These are compounds containing a fluorene moiety, which consists of two benzene rings connected through either a cyclopentane, cyclopentene, or cyclopenta-1,3-diene.
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.

4 results found

Lot NumberCertificate TypeDateItem
F2222086Certificate of AnalysisApr 02, 2026 F116776
F2222442Certificate of AnalysisApr 02, 2026 F116776
F2222527Certificate of AnalysisApr 02, 2026 F116776
L2412031Certificate of AnalysisMay 27, 2022 F116776
Chemical and Physical Properties
Melt Point(°C)140°C
Molecular Weight463.500 g/mol
XLogP34.800
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count10
Exact Mass463.145 Da
Monoisotopic Mass463.145 Da
Topological Polar Surface Area110.000 Ų
Heavy Atom Count33
Formal Charge0
Complexity631.000
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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