Skip to Content
Merck
CN

Key Documents

View All Documentation

Y0002159

Rhein

CRS, European Pharmacopoeia (EP) Reference Standard

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

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
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

API family

rhein

manufacturer/tradename

EDQM

mp

≥300 °C (lit.)

storage temp.

2-8°C

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 product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Rhein EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Still not finding the right product?

Explore all of our products under Rhein

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

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

Visit the Document Library

Global Trade Item Number

SKUGTIN
Y000215904061842044627