Fmoc-cis-4-fluoro-Pro-OH - ≥98% , CAS No.203866-19-7

CAS: 203866-19-7 Cat. No.: F338837 Molecular Weight: 355.37
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
A879654 | EN300-657481 | (2S,4S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-fluoropyrrolidine-2-carboxylic acid | (2S,4S)-Fmoc-4-fluoro-pyrrolidine-2-carboxylic acid | (2s,4s)-fmoc-4-fluoropyrrolidine-2-carboxylic acid | (2S,4S)-Fmoc-4-fluoro-pyrrolidine-2-
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
F338837-100mg
3

$58.90

$88.90
Save $30.00 (33.75%)
250mg
F338837-250mg
3

$85.90

$128.90
Save $43.00 (33.36%)
1g
F338837-1g
3

$174.90

$262.90
Save $88.00 (33.47%)
5g
F338837-5g
2

$440.90

$661.90
Save $221.00 (33.39%)
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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.

Specifications

Synonyms
A879654 | EN300-657481 | (2S, 4S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-fluoropyrrolidine-2-carboxylic acid | (2S, 4S)-Fmoc-4-fluoro-pyrrolidine-2-carboxylic acid | (2s, 4s)-fmoc-4-fluoropyrrolidine-2-carboxylic acid | (2S, 4S)-Fmoc-4-fluoro-pyrrolidine-2-
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 Sid504761462
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504761462
Canonical SmilesC1C(CN(C1C(=O)O)C(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24)F
IUPAC Name(2S,4S)-1-(9H-fluoren-9-ylmethoxycarbonyl)-4-fluoropyrrolidine-2-carboxylic acid
InChIKeyCJEQUGHYFSTTQT-SGTLLEGYSA-N
INCHI1S/C20H18FNO4/c21-12-9-18(19(23)24)22(10-12)20(25)26-11-17-15-7-3-1-5-13(15)14-6-2-4-8-16(14)17/h1-8,12,17-18H,9-11H2,(H,23,24)/t12-,18-/m0/s1
Isomeric SMILES C1[C@@H](CN([C@@H]1C(=O)O)C(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24)F
Molecular Weight 355.37
Reaxy-Rn 41505234
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=41505234&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
ClassFluorenes
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentFluorenes
Alternative Parents Proline and derivatives  Pyrrolidine carboxylic acids  Carbamate esters  Organic carbonic acids and derivatives  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organofluorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Alkyl fluorides  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Fluorene - Proline or derivatives - Alpha-amino acid or derivatives - Pyrrolidine carboxylic acid - Pyrrolidine carboxylic acid or derivatives - Pyrrolidine - Carbamic acid ester - Carbonic acid derivative - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Azacycle - Organoheterocyclic compound - Organonitrogen compound - Organofluoride - Organohalogen compound - Organopnictogen compound - Organic nitrogen compound - Organic oxygen compound - Alkyl halide - Alkyl fluoride - Organooxygen compound - Organic oxide - Hydrocarbon derivative - Carbonyl group - Aromatic heteropolycyclic 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.

5 results found

Lot NumberCertificate TypeDateItem
K2525040Certificate of AnalysisDec 05, 2025 F338837
I2227221Certificate of AnalysisJul 10, 2025 F338837
I2227229Certificate of AnalysisJul 10, 2025 F338837
I2227248Certificate of AnalysisJul 10, 2025 F338837
I2227439Certificate of AnalysisJul 10, 2025 F338837
Chemical and Physical Properties
SolubilitySoluble in DMSO
Molecular Weight355.400 g/mol
XLogP33.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Exact Mass355.122 Da
Monoisotopic Mass355.122 Da
Topological Polar Surface Area66.800 Ų
Heavy Atom Count26
Formal Charge0
Complexity534.000
Isotope Atom Count0
Defined Atom Stereocenter Count2
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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