5-Carboxyfluorescein N-succinimidyl ester - ≥90% , CAS No.92557-80-7

CAS: 92557-80-7 Cat. No.: C107881 Molecular Weight: 473.39 Beilstein Registry Number: 7865828 EC Number: 691-350-9
AVAILABLE TO ORDER
GRADE & PURITY ≥90%
Synonyms
5-carboxyfluorescein succinimidyl ester | 5-Carboxyfluorescein N-Succinimidyl Este | 5-Carboxyfluorescein-N-hydroxysuccinimide Ester | 5-FAM SE ;5-Carboxyfluorescein-N-hydroxysuccinimide Ester | SY058032 | 2,5-dioxopyrrolidin-1-yl 3',6'-dihydroxy-3-oxo-3H
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25mg
C107881-25mg
6
$86.90
100mg
C107881-100mg
6
$188.90
500mg
C107881-500mg
1
$569.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥90% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads 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.

📚

Literature proof

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

Overview

5-Carboxyfluorescein-N-hydroxysuccinimide Ester is a popular amine-reactive fluorescent reagent used for labeling peptides, proteins and nucleotides. A fluorescein derivative probe that yields carboxyamides that are more resistant to hydrolysis. Also suggested to be used in small fluorescent molecule preparations.
Derivative of fluorescein giving stable derivative upon conjugation with biopolymers. Fluorescent probe for nucleotides; Reagent for fluorescent derivatization in capillary electrophoresis

Specifications

Synonyms
5-carboxyfluorescein succinimidyl ester | 5-Carboxyfluorescein N-Succinimidyl Este | 5-Carboxyfluorescein-N-hydroxysuccinimide Ester | 5-FAM SE ;5-Carboxyfluorescein-N-hydroxysuccinimide Ester | SY058032 | 2, 5-dioxopyrrolidin-1-yl 3', 6'-dihydroxy-3-oxo-3H
Specifications & Purity
≥90%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥90%
Names and Identifiers
Pubchem Sid488193291
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488193291
Canonical SmilesC1CC(=O)N(C1=O)OC(=O)C2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O
IUPAC Name(2,5-dioxopyrrolidin-1-yl) 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylate
InChIKeyGECIDMICWWDIBO-UHFFFAOYSA-N
INCHI1S/C25H15NO9/c27-13-2-5-17-19(10-13)33-20-11-14(28)3-6-18(20)25(17)16-4-1-12(9-15(16)24(32)34-25)23(31)35-26-21(29)7-8-22(26)30/h1-6,9-11,27-28H,7-8H2
Isomeric SMILES C1CC(=O)N(C1=O)OC(=O)C2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O
WGK Germany 3
Molecular Weight 473.39
Beilstein 7865828
Reaxy-Rn 7865828
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7865828&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
SuperclassOrganoheterocyclic compounds
ClassBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Dibenzopyrans
Direct ParentXanthenes
Alternative Parents M-phthalic acid and derivatives  Diarylethers  Phthalides  Benzofuranones  Isobenzofurans  1-hydroxy-2-unsubstituted benzenoids  Pyrrolidine-2-ones  Dicarboxylic acids and derivatives  Dicarboximides  Carboxylic acid esters  Carboxylic acid salts  Lactones  Lactams  Azacyclic compounds  Oxacyclic compounds  Organic salts  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Organopnictogen compounds  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Xanthene - Meta_phthalic_acid - Diaryl ether - Benzofuranone - Isobenzofuranone - Phthalide - Isocoumaran - Isobenzofuran - 1-hydroxy-2-unsubstituted benzenoid - Dicarboxylic acid or derivatives - Pyrrolidone - 2-pyrrolidone - Benzenoid - Dicarboximide - Pyrrolidine - Carboxylic acid ester - Carboxylic acid salt - Lactam - Lactone - Azacycle - Carboxylic acid derivative - Oxacycle - Ether - Organic salt - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Carbonyl group - Hydrocarbon derivative - Organooxygen compound - Organic oxide - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring.
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.

9 results found

Lot NumberCertificate TypeDateItem
E2316369Certificate of AnalysisFeb 04, 2026 C107881
E2316372Certificate of AnalysisFeb 04, 2026 C107881
E2316374Certificate of AnalysisFeb 04, 2026 C107881
E2316383Certificate of AnalysisFeb 04, 2026 C107881
E2316386Certificate of AnalysisFeb 04, 2026 C107881
F2228104Certificate of AnalysisApr 07, 2025 C107881
F2228105Certificate of AnalysisApr 07, 2025 C107881
E2316389Certificate of AnalysisMar 10, 2023 C107881
F2228235Certificate of AnalysisJun 16, 2022 C107881
Chemical and Physical Properties
SolubilitySoluble in water (partly miscible), and DMSO.
Sensitivityheat sensitive;light sensitive;Moisture sensitive
Refractive Index1.79
Boil Point(°C)778.67° C
Melt Point(°C)>300°C
Molecular Weight473.400 g/mol
XLogP32.400
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count9
Rotatable Bond Count3
Exact Mass473.075 Da
Monoisotopic Mass473.075 Da
Topological Polar Surface Area140.000 Ų
Heavy Atom Count35
Formal Charge0
Complexity894.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
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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