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· · COA & SDS available for every product · Same-day shipping on in-stock items (+)-Usnic acid from Usnea dasypoga - analytical standard , CAS No.7562-61-0
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. Synonyms
(9bS)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-1(9bH)-one | HMS3655H16 | (9aR)-4,8-diacetyl-1,3,9-trihydroxy-2,9a-dimethyl-7-oxo-9a-hydrobenzo[2,1-d]be nzo[b]furan | NCGC00017388-08 | trans,trans-2,4-Nonadienal, >=89%, FG | DTXSID00101
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Why this grade analytical standard Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
(9bS)-2, 6-diacetyl-3, 7, 9-trihydroxy-8, 9b-dimethyldibenzo[b, d]furan-1(9bH)-one | HMS3655H16 | (9aR)-4, 8-diacetyl-1, 3, 9-trihydroxy-2, 9a-dimethyl-7-oxo-9a-hydrobenzo[2, 1-d]be nzo[b]furan | NCGC00017388-08 | trans, trans-2, 4-Nonadienal, >=89%, FG | DTXSID00101
Specifications & Purity
analytical standard
Names and Identifiers Canonical Smiles CC1=C(C(=C2C(=C1O)C3(C(=CC(=C(C3=O)C(=O)C)O)O2)C)C(=O)C)O IUPAC Name (9bS)-2,6-diacetyl-3,7,9-trihydroxy-8,9b-dimethyldibenzofuran-1-one InChIKey WEYVVCKOOFYHRW-GOSISDBHSA-N INCHI 1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,21-23H,1-4H3/t18-/m1/s1 Isomeric SMILES CC1=C(C(=C2C(=C1O)[C@]3(C(=CC(=C(C3=O)C(=O)C)O)O2)C)C(=O)C)O WGK Germany 3 RTECS HP5295050 PubChem CID 442614 Molecular Weight 344.32 Beilstein 96698 Reaxy-Rn 96698
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 Kingdom Organic compounds Superclass Benzenoids Class Benzene and substituted derivatives Subclass Acetophenones Intermediate Tree Nodes Not available Direct Parent Acetophenones Alternative Parents Coumarans Aryl alkyl ketones Vinylogous acids Polyols Oxacyclic compounds Enols Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteropolycyclic compounds Substituents Acetophenone - Coumaran - Aryl ketone - Aryl alkyl ketone - Vinylogous acid - Ketone - Oxacycle - Polyol - Enol - Organoheterocyclic compound - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organic oxygen compound - Carbonyl group - Aromatic heteropolycyclic compound Description This compound belongs to the class of organic compounds known as acetophenones. These are organic compounds containing the acetophenone structure. External Descriptors Dibenzofurans, griseofulvins, dibenzopyrans and xanthones Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Melt Point(°C) 201-203°C Molecular Weight 344.300 g/mol XLogP3 2.100 Hydrogen Bond Donor Count 3 Hydrogen Bond Acceptor Count 7 Rotatable Bond Count 2 Exact Mass 344.09 Da Monoisotopic Mass 344.09 Da Topological Polar Surface Area 121.000 Ų Heavy Atom Count 25 Formal Charge 0 Complexity 734.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 1 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
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