Fluorescin - ≥95% , CAS No.518-44-5

CAS: 518-44-5 Cat. No.: F131512 Summenformel: C20H14O5 Molekulargewicht: 334.32 Beilstein Registry Number: 19(3/4)2904 EG-Nummer: 208-252-5
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GRADE & PURITY ≥95%
Synonyms
AKOS028108560 | 4fab | 2-(3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid | MURGITYSBWUQTI-UHFFFAOYSA-N | EINECS 208-252-5 | F0028 | Q27096984 | resorcinolphthalin | UNII-ES5WQ31089 | Resorcinolphthali | FT-0745140 | SCHEMBL27403 | Benzoic acid, 2-(3,6-dihydro
Storage
Argon charged,Room temperature
Shipped In
Normal
Size
Deutschland (EU)
USA*
Price
Qty
1g
F131512-1g
3 Auf Lager
71,94€
5g
F131512-5g
2 Auf Lager
175,20€
25g
F131512-25g
1 Auf Lager
786,95€
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Übersicht

Fluorescin is a fluorescent probe in biology used to detect protein location and activation, identify protein complex formation and conformational changes and monitor biological processes in vitro or in vivo.
A fluorescent probe

Specifications

Synonyme
AKOS028108560 | 4fab | 2-(3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid | MURGITYSBWUQTI-UHFFFAOYSA-N | EINECS 208-252-5 | F0028 | Q27096984 | resorcinolphthalin | UNII-ES5WQ31089 | Resorcinolphthali | FT-0745140 | SCHEMBL27403 | Benzoic acid, 2-(3,6-dihydro
Spezifikationen & Reinheit
≥95%
Storage
Argon charged,Room temperature
Verschickt in
Normal
Reinheit
≥95%
Namen und Kennungen
Pubchem Sid488184103
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488184103
Kanonisches LächelnC1=CC=C(C(=C1)C2C3=C(C=C(C=C3)O)OC4=C2C=CC(=C4)O)C(=O)O
IUPAC Name2-(3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid
InChIKeyMURGITYSBWUQTI-UHFFFAOYSA-N
INCHI1S/C20H14O5/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24/h1-10,19,21-22H,(H,23,24)
Isomere SMILES C1=CC=C(C(=C1)C2C3=C(C=C(C=C3)O)OC4=C2C=CC(=C4)O)C(=O)O
Molekulargewicht 334.32
Beilstein 19(3/4)2904
Reaxy-Rn 316067
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=316067&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
KlasseBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Dibenzopyrans
Direct ParentXanthenes
Alternative Parents Diarylethers  Benzoic acids  Benzoyl derivatives  1-hydroxy-2-unsubstituted benzenoids  Oxacyclic compounds  Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Xanthene - Diaryl ether - Benzoic acid or derivatives - Benzoic acid - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Monocyclic benzene moiety - Benzenoid - Oxacycle - Carboxylic acid derivative - Carboxylic acid - Ether - Monocarboxylic acid or derivatives - Organic oxygen compound - Organic oxide - Organooxygen compound - Hydrocarbon derivative - Aromatic heteropolycyclic compound
BeschreibungThis 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 xanthenes
3D-Struktur
Interaktives chemisches Strukturmodell





Wirkungsmechanismen
Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
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.

12 results found

Lot NumberCertificate TypeDatumArtikel
C2307168Certificate of AnalysisSep 01, 2026 F131512
L2018048Certificate of AnalysisJul 09, 2024 F131512
L2516645Certificate of AnalysisJul 01, 2024 F131512
J2129803Certificate of AnalysisAug 02, 2023 F131512
C2328439Certificate of AnalysisMar 07, 2023 F131512
C2328485Certificate of AnalysisMar 07, 2023 F131512
C2328500Certificate of AnalysisMar 07, 2023 F131512
C2328521Certificate of AnalysisMar 07, 2023 F131512
C2328522Certificate of AnalysisMar 07, 2023 F131512
C2328728Certificate of AnalysisMar 07, 2023 F131512
D2415388Certificate of AnalysisMar 07, 2023 F131512
I2209067Certificate of AnalysisSep 29, 2021 F131512

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Chemische und physikalische Eigenschaften
EmpfindlichkeitAir sensitive
Schmelzpunkt (°C)127 °C
Molekulargewicht334.300 g/mol
XLogP33.700
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass334.084 Da
Monoisotopic Mass334.084 Da
Topological Polar Surface Area87.000 Ų
Heavy Atom Count25
Formal Charge0
Complexity468.000
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
Citations of This Product
Referenzen
1. Zixiang Qu, Lizhen Wang, Shimin Fang, Dawei Qin, Jianhua Zhou, Geng Yang, Hongdong Duan.  (2019)  Fluorescein-immobilized optical hydrogels: Synthesis and its application for detection of Hg2+.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2019.104198]
Lösungsrechner
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