Synonym: 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
CAS Number: 478-43-3
Empirical Formula (Hill Notation): C15H8O6
Molecular Weight: 284.22
EC Number: 207-521-4
MDL Number: MFCD00009618
Linear Formula: C15H8O6
Product Type: Chemical
application(s) |
food and beverages |
assay |
≥95.0% (HPLC) |
format |
neat |
grade |
analytical standard |
impurities |
≤5.0% water |
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 |
mp |
≥300 °C (lit.) |
Quality Level |
100 ![External link](https://krackeler.com/images/sigma/ext-link.gif) |
shelf life |
limited shelf life, expiry date on the label |
SMILES string |
OC(=O)c1cc(O)c2C(=O)c3c(O)cccc3C(=O)c2c1 |
technique(s) |
gas chromatography (GC): suitable |
|
HPLC: suitable |
Application: |
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
Application: |
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. |
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. |
Packaging: |
Bottomless glass bottle. Contents are inside inserted fused cone. |
Hazard Codes |
Xi |
Risk Statements |
36/37/38 |
Safety Statements |
26-37/39 |
RIDADR |
NONH for all modes of transport |
WGK Germany |
WGK 2 |
Flash Point(F) |
Not applicable |
Flash Point(C) |
Not applicable |
Purity |
≥95.0% (HPLC) |
mp |
≥300 °C (lit.) |
UNSPSC |
85151701 |