Fmoc-Cys(Trt)-OH - ≥98% , CAS No.103213-32-7

CAS: 103213-32-7 Cat. No.: F100409 Molecular Weight: 585.71 Beilstein Registry Number: 4221286 EC Number: 600-408-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
S-2-(Ethylthio)ethyl O,O-diethyl ester of phosphorodithioic acid | SCHEMBL1738641 | N-Fmoc-S-trityl-L-cysteine | Di-n-propylessigsaeure | Fmoc-Cys(Trt) | M03395 | N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-trityl-L-cysteine | Na-Fmoc-Ng-trityl-L-glutamine | H
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
F100409-1g
3

$9.90

$14.90
Save $5.00 (33.56%)
5g
F100409-5g
3

$11.90

$17.90
Save $6.00 (33.52%)
25g
F100409-25g
4

$18.90

$28.90
Save $10.00 (34.60%)
100g
F100409-100g
1

$59.90

$89.90
Save $30.00 (33.37%)
500g
F100409-500g
2

$227.90

$341.90
Save $114.00 (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,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

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

Overview

Fmoc-Cys(Trt)-OH is an N-terminal protected cysteine derivative used in peptide synthesis. Some of the examples are:

· Synthesis of mono- and bi-functionalized platinum(IV) complexes to target angiogenic tumor vasculature.

· Synthesis of proteins through native chemical ligation of peptide hydrazides as thioester surrogates via solid-phase synthesis.

· Synthesis of glycoconjugates by conjugating reducing sugars to cysteine residues of peptides.

Specifications

Synonyms
S-2-(Ethylthio)ethyl O, O-diethyl ester of phosphorodithioic acid | SCHEMBL1738641 | N-Fmoc-S-trityl-L-cysteine | Di-n-propylessigsaeure | Fmoc-Cys(Trt) | M03395 | N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-trityl-L-cysteine | Na-Fmoc-Ng-trityl-L-glutamine | H
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid488187799
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488187799
Canonical SmilesC1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)SCC(C(=O)O)NC(=O)OCC4C5=CC=CC=C5C6=CC=CC=C46
IUPAC Name(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-tritylsulfanylpropanoic acid
InChIKeyKLBPUVPNPAJWHZ-UMSFTDKQSA-N
INCHI1S/C37H31NO4S/c39-35(40)34(38-36(41)42-24-33-31-22-12-10-20-29(31)30-21-11-13-23-32(30)33)25-43-37(26-14-4-1-5-15-26,27-16-6-2-7-17-27)28-18-8-3-9-19-28/h1-23,33-34H,24-25H2,(H,38,41)(H,39,40)/t34-/m0/s1
Isomeric SMILES C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)SC[C@@H](C(=O)O)NC(=O)OCC4C5=CC=CC=C5C6=CC=CC=C46
WGK Germany 3
Molecular Weight 585.71
Beilstein 4221286
Reaxy-Rn 20969206
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=20969206&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
SuperclassBenzenoids
ClassTriphenyl compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentTriphenyl compounds
Alternative Parents Fluorenes  Cysteine and derivatives  Benzene and substituted derivatives  Carbamate esters  Organic carbonic acids and derivatives  Sulfenyl compounds  Monocarboxylic acids and derivatives  Dialkylthioethers  Carboxylic acids  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Triphenyl compound - Fluorene - Cysteine or derivatives - Alpha-amino acid or derivatives - Monocyclic benzene moiety - Carbamic acid ester - Carbonic acid derivative - Carboxylic acid derivative - Carboxylic acid - Dialkylthioether - Sulfenyl compound - Thioether - Monocarboxylic acid or derivatives - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Organosulfur compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Carbonyl group - Organic oxygen compound - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as triphenyl compounds. These are aromatic compounds containing a triphenyl moiety.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
HeLa (62764 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

19 results found

Lot NumberCertificate TypeDateItem
B1920144Certificate of AnalysisJun 10, 2026 F100409
D2222073Certificate of AnalysisFeb 04, 2026 F100409
J2109216Certificate of AnalysisJul 10, 2025 F100409
L2403397Certificate of AnalysisJul 11, 2024 F100409
L2403378Certificate of AnalysisJul 11, 2024 F100409
J2310466Certificate of AnalysisAug 22, 2023 F100409
J2310436Certificate of AnalysisAug 22, 2023 F100409
F2511012Certificate of AnalysisAug 22, 2023 F100409
F2302711Certificate of AnalysisMay 13, 2023 F100409
F2302715Certificate of AnalysisMay 13, 2023 F100409
F2302713Certificate of AnalysisMay 13, 2023 F100409
F2302712Certificate of AnalysisMay 13, 2023 F100409
F2302710Certificate of AnalysisMay 13, 2023 F100409
F2302709Certificate of AnalysisMay 13, 2023 F100409
F2302701Certificate of AnalysisMay 13, 2023 F100409
F2302699Certificate of AnalysisMay 13, 2023 F100409
D2222055Certificate of AnalysisMar 09, 2022 F100409
D2222028Certificate of AnalysisMar 09, 2022 F100409
D2222027Certificate of AnalysisMar 09, 2022 F100409

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Chemical and Physical Properties
SolubilityInsoluble in water. Soluble in most organic solvents.
SensitivityMoisture sensitive
Specific Rotation[α]18 ° (C=1, THF)
Melt Point(°C)172-177°C
Molecular Weight585.700 g/mol
XLogP38.000
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count11
Exact Mass585.197 Da
Monoisotopic Mass585.197 Da
Topological Polar Surface Area101.000 Ų
Heavy Atom Count43
Formal Charge0
Complexity841.000
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
Citations of This Product
References
1. Yuqing Pan, Haijing Qu, Han Chen, Wei Cheng, Zhiran Duan, Jiaojiao Yang, Ning Wang, Jie Wu, Yanjun Wang, Chao Wang, Xiangdong Xue.  (2024)  A tumor-targeting porphyrin-micelle with enhanced STING agonist delivery and synergistic photo-/immuno- therapy for cancer treatment.  Acta Biomaterialia,      [PMID:39746530] [10.1016/j.actbio.2024.12.059]
2. Wei Cheng, Haijing Qu, Jiaojiao Yang, Han Chen, Yuqing Pan, Zhiran Duan, Xiangdong Xue.  (2025)  Hierarchically Engineered Self-Adaptive Nanoplatform Guided Intuitive and Precision Interventions for Deep-Seated Glioblastoma.  ACS Nano,      [PMID:39754309] [10.1021/acsnano.4c11006]
3. Hongliu Xie, Fang Lin, Fei Shi, Elaine Johnstone, Yaqi Wang, Yang An, Jun Su, Jiayin Liu, Qinghai Dong, Jihua Liu.  (2024)  Synthesis, biological evaluation and mechanism study based on network pharmacology of amino acids esters of 20(S)-protopanaxadiol as novel anticancer agents.  FITOTERAPIA,      [PMID:39537112] [10.1016/j.fitote.2024.106274]
4. Fengfeng Feng, Sai Zhang, Weijie Wang, Chengyang Hong, Mei Zhang, Fan Yang, Yuxin Peng, Fucheng Jia, Hao Liu.  (2024)  Two-dimensional crystallization of precise side-chain giant molecules with constant building blocks ratio.  GIANT,      [PMID:] [10.1016/j.giant.2024.100304]
Solution Calculators
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