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PHL89385

Rhein

phyproof® Reference Substance

Synonym(s):

4,5-Dihydroxyanthraquinone-2-carboxylic acid, 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid, Cassic acid, Chrysazin 3-carboxylic acid, Monorhein, Rheic acid, Rhubarb yellow

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About This Item

Empirical Formula (Hill Notation):
C15H8O6
CAS Number:
478-43-3
Molecular Weight:
284.22
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
2222155
MDL number:
MFCD00009618
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grade

primary reference standard

product line

phyproof® Reference Substance

assay

≥95.0% (HPLC)

manufacturer/tradename

PhytoLab

mp

≥300 °C (lit.)

application(s)

food and beverages

format

neat

SMILES string

OC(=O)c1cc(O)c2C(=O)c3c(O)cccc3C(=O)c2c1

InChI

1S/C15H8O6/c16-9-3-1-2-7-11(9)14(19)12-8(13(7)18)4-6(15(20)21)5-10(12)17/h1-5,16-17H,(H,20,21)

InChI key

FCDLCPWAQCPTKC-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

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pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 2

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Certificates of Analysis (COA)

Lot/Batch Number
81116
113653892
10545
77055924

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