Fmoc-S-2-hydroxyethyl-L-cysteine - ≥95% , CAS No.200354-35-4

CAS: 200354-35-4 Cat. No.: F350487 Molecular Weight: 387.46 PubChem CID: 7020780
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
DTXSID70427285 | Fmoc-S-2-hydroxyethyl-L-cysteine | MFCD00672330 | (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(2-hydroxyethylsulfanyl)propanoic acid | AS-49029 | L-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-(2-hydroxyethyl)- | (R)-2-((((9H-Fluor
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
F350487-50mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$49.90
250mg
F350487-250mg
3

$189.90

$284.90
Save $95.00 (33.35%)
1g
F350487-1g
4

$392.90

$589.90
Save $197.00 (33.40%)
5g
F350487-5g
3

$1,473.90

$2,210.90
Save $737.00 (33.33%)
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Why this grade

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

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads 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

Fmoc-S-2-hydroxyethyl-L-cysteine is an Fmoc protected cysteine derivative potentially useful for proteomics studies, and solid phase peptide synthesis techniques. Cysteine is versatile amino acid involved with many biological processes, including the formation of disulfide bonds - a critical component of protein structure. This compound could be useful as an unusual amino acid analog to aid in the deconvolution of protein structure and function.

Specifications

Synonyms
DTXSID70427285 | Fmoc-S-2-hydroxyethyl-L-cysteine | MFCD00672330 | (2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(2-hydroxyethylsulfanyl)propanoic acid | AS-49029 | L-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-(2-hydroxyethyl)- | (R)-2-((((9H-Fluor
Specifications & Purity
≥95%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504764641
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764641
Canonical SmilesC1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NC(CSCCO)C(=O)O
IUPAC Name(2R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-(2-hydroxyethylsulfanyl)propanoic acid
InChIKeyVDIVFUTVJUGBOW-SFHVURJKSA-N
INCHI1S/C20H21NO5S/c22-9-10-27-12-18(19(23)24)21-20(25)26-11-17-15-7-3-1-5-13(15)14-6-2-4-8-16(14)17/h1-8,17-18,22H,9-12H2,(H,21,25)(H,23,24)/t18-/m0/s1
Isomeric SMILES C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)N[C@@H](CSCCO)C(=O)O
PubChem CID 7020780
Molecular Weight 387.46

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  Carbamate esters  Sulfenyl compounds  Monocarboxylic acids and derivatives  Dialkylthioethers  Carboxylic acids  Primary alcohols  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic homopolycyclic compounds
Substituents Fluorene - Cysteine or derivatives - Alpha-amino acid or derivatives - Carbamic acid ester - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Thioether - Sulfenyl compound - Dialkylthioether - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Primary alcohol - Carbonyl group - Organic oxide - Alcohol - Organic nitrogen compound - Hydrocarbon derivative - 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





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.

3 results found

Lot NumberCertificate TypeDateItem
B2313425Certificate of AnalysisOct 30, 2025 F350487
B2313568Certificate of AnalysisOct 30, 2025 F350487
B2313572Certificate of AnalysisOct 30, 2025 F350487
Chemical and Physical Properties
Molecular Weight387.500 g/mol
XLogP32.700
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count6
Rotatable Bond Count9
Exact Mass387.114 Da
Monoisotopic Mass387.114 Da
Topological Polar Surface Area121.000 Ų
Heavy Atom Count27
Formal Charge0
Complexity495.000
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
Reviews

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