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· · COA & SDS available for every product · Same-day shipping on in-stock items Questin - ≥97% , CAS No.3774-64-9 🧪
Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships 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 Specifications & Purity
≥97%
Names and Identifiers Canonical Smiles CC1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=C(C=C3OC)O IUPAC Name 1,6-dihydroxy-8-methoxy-3-methylanthracene-9,10-dione InChIKey UUNPIWCQMVNINR-UHFFFAOYSA-N INCHI 1S/C16H12O5/c1-7-3-9-13(11(18)4-7)16(20)14-10(15(9)19)5-8(17)6-12(14)21-2/h3-6,17-18H,1-2H3 Isomeric SMILES CC1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=C(C=C3OC)O Alternate CAS 3774-64-9 PubChem CID 160717 MeSH Entry Terms emodin-8-methyl ether;questin
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 Anthracenes Subclass Anthraquinones Intermediate Tree Nodes Not available Direct Parent Hydroxyanthraquinones Alternative Parents Aryl ketones Anisoles Alkyl aryl ethers 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Vinylogous acids Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic homopolycyclic compounds Substituents Hydroxyanthraquinone - Aryl ketone - Anisole - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Alkyl aryl ether - Vinylogous acid - Ketone - Ether - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homopolycyclic compound Description This compound belongs to the class of organic compounds known as hydroxyanthraquinones. These are compounds containing a hydroxyanthraquinone moiety, which consists of an anthracene bearing a quinone, and hydroxyl group. External Descriptors Anthraquinone type 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 Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Molecular Weight 284.260 g/mol XLogP3 3.000 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 5 Rotatable Bond Count 1 Exact Mass 284.068 Da Monoisotopic Mass 284.068 Da Topological Polar Surface Area 83.800 Ų Heavy Atom Count 21 Formal Charge 0 Complexity 448.000 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
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