≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
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
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Benzopyrans |
| Subclass | 1-benzopyrans |
| Intermediate Tree Nodes | Dibenzopyrans |
| Direct Parent | Xanthenes |
| 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 Framework | Aromatic 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 |
| Description | This 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 |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 C2328500 | Certificate of Analysis | Sep 22, 2026 | F131512 |
| C2328521 | Certificate of Analysis | Sep 22, 2026 | F131512 |
| C2328522 | Certificate of Analysis | Sep 22, 2026 | F131512 |
| C2307168 | Certificate of Analysis | Sep 01, 2026 | F131512 |
| L2018048 | Certificate of Analysis | Jul 09, 2024 | F131512 |
| L2516645 | Certificate of Analysis | Jul 01, 2024 | F131512 |
| J2129803 | Certificate of Analysis | Aug 02, 2023 | F131512 |
| C2328439 | Certificate of Analysis | Mar 07, 2023 | F131512 |
| C2328485 | Certificate of Analysis | Mar 07, 2023 | F131512 |
| C2328728 | Certificate of Analysis | Mar 07, 2023 | F131512 |
| D2415388 | Certificate of Analysis | Mar 07, 2023 | F131512 |
| I2209067 | Certificate of Analysis | Sep 29, 2021 | F131512 |
| Sensitivity | Air sensitive |
|---|---|
| x_melt_point_char | 127 °C |
| Molecular Weight | 334.300 g/mol |
| XLogP3 | 3.700 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 334.084 Da |
| Monoisotopic Mass | 334.084 Da |
| Topological Polar Surface Area | 87.000 Ų |
| Heavy Atom Count | 25 |
| Formal Charge | 0 |
| Complexity | 468.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
