Determine the necessary mass, volume, or concentration for preparing a solution.
indicator, ≥90% Indicator for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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 12 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
for Fluorescent indicator
| Pubchem Sid | 488183646 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488183646 |
| Canonical Smiles | C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl |
| IUPAC Name | 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
| InChIKey | VFNKZQNIXUFLBC-UHFFFAOYSA-N |
| INCHI | 1S/C20H10Cl2O5/c21-13-5-11-17(7-15(13)23)26-18-8-16(24)14(22)6-12(18)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,23-24H |
| Isomeric SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl |
| Molecular Weight | 401.2 |
| Beilstein | 58009 |
| Reaxy-Rn | 58009 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=58009&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 | Diarylethers Phthalides Benzofuranones Isobenzofurans 1-hydroxy-2-unsubstituted benzenoids Aryl chlorides Lactones Carboxylic acid esters Oxacyclic compounds Monocarboxylic acids and derivatives Organochlorides Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Xanthene - Diaryl ether - Benzofuranone - Phthalide - Isobenzofuranone - Isocoumaran - Isobenzofuran - 1-hydroxy-2-unsubstituted benzenoid - Aryl chloride - Benzenoid - Aryl halide - Carboxylic acid ester - Lactone - Oxacycle - Carboxylic acid derivative - Ether - Monocarboxylic acid or derivatives - Organic oxygen compound - Organooxygen compound - Hydrocarbon derivative - Organochloride - Organic oxide - Organohalogen 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 | 2-benzofurans |
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 | Jul 06, 2026 | D113554 | |
| Certificate of Analysis | Mar 24, 2026 | D113554 | |
| Certificate of Analysis | Apr 09, 2025 | D113554 | |
| Certificate of Analysis | Dec 28, 2024 | D113554 | |
| Certificate of Analysis | Dec 28, 2024 | D113554 | |
| Certificate of Analysis | Dec 28, 2024 | D113554 | |
| Certificate of Analysis | Dec 28, 2024 | D113554 | |
| Certificate of Analysis | Nov 04, 2024 | D113554 | |
| Certificate of Analysis | Nov 01, 2024 | D113554 | |
| Certificate of Analysis | Jan 05, 2024 | D113554 | |
| Certificate of Analysis | May 15, 2023 | D113554 | |
| Certificate of Analysis | May 15, 2023 | D113554 | |
| Certificate of Analysis | May 15, 2023 | D113554 | |
| Certificate of Analysis | May 15, 2023 | D113554 | |
| Certificate of Analysis | May 15, 2023 | D113554 | |
| Certificate of Analysis | Nov 21, 2022 | D113554 | |
| Certificate of Analysis | Apr 28, 2022 | D113554 | |
| Certificate of Analysis | Jun 02, 2021 | D113554 | |
| Certificate of Analysis | Jun 02, 2021 | D113554 | |
| Certificate of Analysis | Jun 02, 2021 | D113554 |
| Solubility | Soluble in Solution of sodium hydroxide in water; Slightly soluble in Ethanol |
|---|---|
| Flash Point(°C) | 12°C |
| Melt Point(°C) | 280°C |
| Molecular Weight | 401.200 g/mol |
| XLogP3 | 4.700 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 399.991 Da |
| Monoisotopic Mass | 399.991 Da |
| Topological Polar Surface Area | 76.000 Ų |
| Heavy Atom Count | 27 |
| Formal Charge | 0 |
| Complexity | 585.000 |
| 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 |
| 1. Miao Qiao, Xin Hua, Yongjun Yuan, Xi Cao. (2023) Enrichment of EPA and DHA by enzymatic ethanolysis: Effects of lipases from Thermomyces lanuginosus, Rhizomucor miehei, Rhizopus oryzae and Candida antarctica. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, [PMID:] [10.1002/aocs.12800] |
| 2. Xiangyu Meng, Yao Li, Yiqing Liu, Runyu Zhou, Yongsheng Fu, Junmin Chen. (2023) Degradation of organic pollutants through activating bisulfite with lanthanum ferrite-loaded biomass carbon. RSC Advances, 13 (35): (24819-24829). [PMID:37608974] [10.1039/D3RA04271E] |
| 3. Yixuan Xu, Changchang Teng, Huiping Dang, Dalong Yin, Lifeng Yan. (2023) Highly bright stable organic radicals encapsulated by amphiphilic polypeptide for efficient near-infrared phototheranostics. TALANTA, [PMID:37459788] [10.1016/j.talanta.2023.124948] |
| 4. Ping Qi, Liangying Jia, Mengjiao Yi, Enzhi Zhao, Yihan Liu, Aixin Song, Jingcheng Hao. (2022) Chemiluminescent gels of G-quadruplexes in deep eutectic solvents. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2022.130319] |
| 5. Bo Huang, Xiangmei Liu, Zhaoyang Li, Yufeng Zheng, Kelvin Wai Kwok Yeung, Zhenduo Cui, Yanqin Liang, Shengli Zhu, Shuilin Wu. (2021) Rapid bacteria capturing and killing by AgNPs/N-CD@ZnO hybrids strengthened photo-responsive xerogel for rapid healing of bacteria-infected wounds. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2021.128805] |
| 6. Long Deng, Qian Zou, Biao Liu, Wenhui Ye, Chengfei Zhuo, Li Chen, Ze-Yuan Deng, Ya-Wei Fan, Jing Li. (2018) Fatty acid positional distribution in colostrum and mature milk of women living in Inner Mongolia, North Jiangsu and Guangxi of China. Food & Function, 9 (8): (4234-4245). [PMID:29999510] [10.1039/C8FO00787J] |
| 7. Mengwei Ye, Weikang Zhang, Hongwei Xu, Peiyu Xie, Luming Song, Xiaohan Sun, Yian Li, Siling Wang, Qinfu Zhao. (2024) Fe-doped biodegradable dendritic mesoporous silica nanoparticles for starvation therapy and photothermal-enhanced cascade catalysis in tumor therapy. JOURNAL OF COLLOID AND INTERFACE SCIENCE, [PMID:39213991] [10.1016/j.jcis.2024.08.172] |
| 8. Weichen Zhao, Zhangguo Wu, Meseret Amde, Hongwei Liu, Yan Li, Quanlong Wang, Yongguang Yin, Maoyong Song, Zhiqiang Tan, Yukui Rui, Qinghua Zhang, Bruce K. Gale, Guibin Jiang. (2025) Real-time monitoring of culture medium- and species-specific transformation of zinc oxide nanoparticles in bacterial systems using coupled CyElFFF-ICPMS. MICROCHEMICAL JOURNAL, [PMID:] [10.1016/j.microc.2025.114926] |
| 9. Xiang Zhou, Jiahao Xu, Jiayao Sun, Hao Chen, Dechun Huang, Wei Chen, Hongliang Qian. (2025) Magnetic nano-crosslinked lipase aggregates: Preparation and catalytic synthesis of OPO. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES, [PMID:40925430] [10.1016/j.ijbiomac.2025.147436] |
| 10. Siying Che, Gaoqiong Deng, Yaoyu Qi, Xiutan Peng, Haiyan Fu, Yuanbin She. (2025) Ion Luminescent Micelles: A Surfactant-Mediated Double-End Signal Amplification Strategy for Portable Detection of Phoxim. ANALYTICAL CHEMISTRY, [PMID:40900152] [10.1021/acs.analchem.5c03514] |
| 11. Qian Ren, Xiaoyu Zhang, Xin Zhang. (2025) Damage visualization and enhanced interlaminar shear strength of carbon fiber reinforced composites with Ni/PUF/PU@ER microcapsules. COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, [PMID:] [10.1016/j.compositesa.2025.109338] |
| 12. Fuying Tu, Shengmiao Sun, Zhaoge Zhang, Zhaoxu Yan, Zhidong Zhang, Liying Zhu, Ling Jiang. (2025) Multifunctional FeSN nanozyme-doped hydrogel: A promising strategy for antibacterial therapy and wound repair. Biomaterials Advances, [PMID:41297331] [10.1016/j.bioadv.2025.214620] |
Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
View Indicator grade guide →