Determine the necessary mass, volume, or concentration for preparing a solution.
≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
This compound is used to differentiate apoptotic cells from viable cells. Live cells that are not apoptotic accumulate 6-carboxyfluorescein but do not accumulate annexin
Used to differentiate viable cells from apoptotic cells. Live cells that are not apoptotic accumulate 6-carboxyfluorescein but do not accumulate annexin. Fluorescent wavelengths λex 492 nm; λemm 517 nm in 0.1 M Tris, pH 8.0.
| Pubchem Sid | 504757348 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504757348 |
| Canonical Smiles | CC(=O)OC1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)OC(=O)C)C5=C(C=CC(=C5)C(=O)O)C(=O)O3 |
| IUPAC Name | 3',6'-diacetyloxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid |
| InChIKey | QMOGCCYGOPYYNT-UHFFFAOYSA-N |
| INCHI | 1S/C25H16O9/c1-12(26)31-15-4-7-18-21(10-15)33-22-11-16(32-13(2)27)5-8-19(22)25(18)20-9-14(23(28)29)3-6-17(20)24(30)34-25/h3-11H,1-2H3,(H,28,29) |
| Isomeric SMILES | CC(=O)OC1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)OC(=O)C)C5=C(C=CC(=C5)C(=O)O)C(=O)O3 |
| WGK Germany | 3 |
| Molecular Weight | 460.39 |
| Beilstein | 67043 |
| Reaxy-Rn | 67043 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=67043&ln= |
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 | Tetracarboxylic acids and derivatives P-phthalic acid and derivatives Diarylethers Phthalides Benzofuranones Isobenzofurans Lactones Carboxylic acid esters Oxacyclic compounds Carboxylic acids Organic oxides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Xanthene - Tetracarboxylic acid or derivatives - Para_phthalic_acid - Diaryl ether - Benzofuranone - Isobenzofuranone - Phthalide - Isocoumaran - Isobenzofuran - Benzenoid - Carboxylic acid ester - Lactone - Carboxylic acid derivative - Carboxylic acid - Ether - Oxacycle - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Carbonyl group - Organooxygen compound - 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 | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Apr 07, 2026 | C107601 | |
| Certificate of Analysis | Apr 07, 2026 | C107601 | |
| Certificate of Analysis | Apr 07, 2026 | C107601 | |
| Certificate of Analysis | Oct 11, 2025 | C107601 | |
| Certificate of Analysis | Oct 11, 2025 | C107601 | |
| Certificate of Analysis | Oct 11, 2025 | C107601 |
| Solubility | Soluble in CHCl3/EtOH 1/1 (9.80 - 10.20 mg/ml). |
|---|---|
| Sensitivity | Heat sensitive |
| Molecular Weight | 460.400 g/mol |
| XLogP3 | 3.200 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 5 |
| Exact Mass | 460.079 Da |
| Monoisotopic Mass | 460.079 Da |
| Topological Polar Surface Area | 125.000 Ų |
| Heavy Atom Count | 34 |
| Formal Charge | 0 |
| Complexity | 828.000 |
| 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 |