Determine the necessary mass, volume, or concentration for preparing a solution.
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Moligand™,≥98% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C,Argon charged 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | C1=CC2=C(C=C1O)OC3=C2C(=O)OC4=C3C=CC(=C4)O |
|---|---|
| IUPAC Name | 3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one |
| InChIKey | ZZIALNLLNHEQPJ-UHFFFAOYSA-N |
| INCHI | 1S/C15H8O5/c16-7-1-3-9-11(5-7)19-14-10-4-2-8(17)6-12(10)20-15(18)13(9)14/h1-6,16-17H |
| Isomeric SMILES | C1=CC2=C(C=C1O)OC3=C2C(=O)OC4=C3C=CC(=C4)O |
| WGK Germany | 3 |
| RTECS | DF8077000 |
| Alternate CAS | 479-13-0 |
| NSC Number | 22842 |
| MeSH Entry Terms | Coumestrol |
| Molecular Weight | 268.22 |
| Beilstein | 266702 |
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 | Phenylpropanoids and polyketides |
| Class | Isoflavonoids |
| Subclass | Coumestans |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Coumestans |
| Alternative Parents | Angular furanocoumarins 1-benzopyrans Furopyrans Benzofurans Pyranones and derivatives 1-hydroxy-2-unsubstituted benzenoids Heteroaromatic compounds Furans Lactones Oxacyclic compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Coumestan - Angular furanocoumarin - Furanocoumarin - Coumarin - Benzopyran - 1-benzopyran - Benzofuran - Furopyran - 1-hydroxy-2-unsubstituted benzenoid - Pyranone - Pyran - Benzenoid - Furan - Heteroaromatic compound - Lactone - Organoheterocyclic compound - Oxacycle - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as coumestans. These are polycyclic aromatic compounds containing a coumestan moiety, which consists of a benzoxole fused to a chromen-2-one to form 1-Benzoxolo[3,2-c]chromen-6-one. They are oxidation products of pterocarpan. |
| External Descriptors | an isoflavone |
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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 08, 2026 | C609557 | |
| Certificate of Analysis | Apr 08, 2026 | C609557 | |
| Certificate of Analysis | Apr 08, 2026 | C609557 | |
| Certificate of Analysis | Apr 08, 2026 | C609557 |
| Melt Point(°C) | ≥350 °C (lit.) |
|---|---|
| Molecular Weight | 268.220 g/mol |
| XLogP3 | 2.800 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 268.037 Da |
| Monoisotopic Mass | 268.037 Da |
| Topological Polar Surface Area | 79.900 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 411.000 |
| 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. Tianzhu Guan, Yonghai Sun, Tiezhu Li, Ligang Hou, Jie Zhang, Yongjun Wang. (2018) Estrogen receptor-based multi-residue screening of bisphenol compounds in urine. BIOTECHNOLOGY AND APPLIED BIOCHEMISTRY, 66 (1): (68-73). [PMID:30307064] [10.1002/bab.1697] |
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