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PHL82641

Quercetin 3,3′,4′,7-tetramethylether

phyproof® Reference Substance

Synonym(s):

3,3′,4′,7-Tetramethylquercetin, 5-Hydroxy 3,3′,4′,7-tetramethoxyflavone, Retusin

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About This Item

Empirical Formula (Hill Notation):
C19H18O7
CAS Number:
1245-15-4
Molecular Weight:
358.34
UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:
MFCD00017420
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grade

primary reference standard

product line

phyproof® Reference Substance

assay

≥90.0% (HPLC)

manufacturer/tradename

PhytoLab

application(s)

food and beverages

format

neat

SMILES string

[o]1c2c([c](c(c1c3cc(c(cc3)OC)OC)OC)=O)c(cc(c2)OC)O

InChI

1S/C19H18O7/c1-22-11-8-12(20)16-15(9-11)26-18(19(25-4)17(16)21)10-5-6-13(23-2)14(7-10)24-3/h5-9,20H,1-4H3

InChI key

HHGPYJLEJGNWJA-UHFFFAOYSA-N

General description

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

Legal Information

phyproof is a registered trademark of PhytoLab GmbH & Co. KG

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
132118280
119709326

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