Skip to Content
Merck
CN
All Photos(1)

Documents

30873

Supelco

Rhein

analytical standard

Sign Into View Organizational & Contract Pricing
All Photos(1)
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
Empirical Formula (Hill Notation):
C15H8O6
CAS Number:
478-43-3
Molecular Weight:
284.22
Beilstein:
2222155
EC Number:
207-521-4
MDL number:
MFCD00009618
UNSPSC Code:
85151701
PubChem Substance ID:
329753592
NACRES:
NA.24

grade

analytical standard

Quality Level

100

Assay

≥95.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

impurities

≤5.0% water

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

Looking for similar products? Visit Product Comparison Guide

General description

Rhein is an active component of rhubarb (Rheum officinale), a medicinal herb in traditional Chinese medicine (TCM). It is known to exhibit antibacterial and anti-inflammatory activities.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Rhein may be used as an analytical reference standard for the determination of the analyte in rat plasma and rhubarb roots, dock flowers and senna leaves by column-switching high-performance liquid chromatography and normal-phase high performance liquid chromatography, respectively.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 2

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Determination of anthraquinones in rhubarb roots, dock flowers and senna leaves by normal-phase high performance liquid chromatography.
Djozan DJ and Assadi Y
Talanta, 42(6), 861-865 (1995)
Simultaneous determination of baicalin, rhein and berberine in rat plasma by column-switching high-performance liquid chromatography.
Yi L, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 838(1), 50-55 (2006)
Rhein protects against acetaminophen-induced hepatic and renal toxicity.
Zhao YL, et al.
Food And Chemical Toxicology, 49(8), 1705-1710 (2011)
Rhein reverses Klotho repression via promoter demethylation and protects against kidney and bone injuries in mice with chronic kidney disease.
Zhang Q, et al.
Kidney International, 91(1), 144-156 (2017)
Li Wang et al.
Biochemical pharmacology, 86(7), 991-996 (2013-08-27)
Rhein, a major metabolite of the prodrug diacerein and a major component of the medicinal herb Rheum sp., is used for its beneficial effects in a variety of clinical applications including the treatment of osteoarthritis and diabetic nephropathy. The physicochemical
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service