The Sigma-Aldrich catalog lists 4 grades and pack sizes of Rhein (CAS 478-43-3). Pick the code you need and request a quote for price and lead time from Klar Chem.
| CAS | 478-43-3 |
|---|---|
| Molecular formula | C15H8O6 |
| Molecular weight | 284.22 g/mol |
| IUPAC name | 4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid |
| Synonyms | Monorhein · Rhubarb Yellow · Rheic acid · 4,5-Dihydroxyanthraquinone-2-carboxylic acid · Chrysazin-3-carboxylic acid · 1,8-Dihydroxyanthraquinone-3-carboxylic acid |
⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).
| Brand | Product / grade | Code | |
|---|---|---|---|
| Sigma | RHEIN | R7269-10MG R7269-50MG |
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| Sigma | RHEIN, TECH. | 275611-250MG 275611-50MG |
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For information only; specifications and availability are confirmed at quotation. Prices are not listed.