C15H8O6
284.22 g/mol
APIWarning
Rhein
CAS478-43-3EC207-521-4
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Rhein is a yellow-brown powder or yellow needles and is an active pharmaceutical ingredient used in pharmaceutical manufacturing.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 478-43-3
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid
InChIKey
FCDLCPWAQCPTKC-UHFFFAOYSA-N
SMILES
C1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=C(C=C3O)C(=O)O
Synonyms (43)
- RHN
- Diacerein EP Impurity C
- 4,5-DiOH-anthraquinone-2-COOH
- 4ie7
- Cassic acid
- Chrysazin-3-carboxylic acid
- Monorhein
- Parietic acid
- Rheic acid
- Rheic acid (Standard)
- Rhein
- Rhein (Standard)
- Rhein CRS
- Rhein(Monorhein)
- Rhein; Rhubarb Yellow
- Rheinic acid
- Rhubarb Yellow
- US9238626, Rhein
- dipropionyl rhein