Rhein (CAS 478-43-3) is a natural anthraquinone carboxylic acid found in rhubarb and senna, appearing as a yellow to orange crystalline powder. Its 1,8-dihydroxyanthraquinone core supports redox activity and hydrogen bonding, while the carboxylic acid provides a handle for salt formation and conjugation.
Rhein
CAS No.:478-43-3
Product Grade: Cosmetic Grade
Purity / Assay: 98%
Molecular Formula:C₁₅H₈O₆
Molecular Weight:284.22
EINECS No.:207-521-4
Synonym(s):Cassic acid; Rheic acid; Monorhein; 4,5-Dihydroxyanthraquinone-2-carboxylic acid
Rhein (CAS 478-43-3) is a natural anthraquinone carboxylic acid found in rhubarb and senna, appearing as a yellow to orange crystalline powder. Its 1,8-dihydroxyanthraquinone core supports redox activity and hydrogen bonding, while the carboxylic acid provides a handle for salt formation and conjugation.
1. Antioxidant and anti-inflammatory active in skincare and anti-aging cosmetic formulations.
2. Reference standard for anthraquinone analysis in rhubarb and herbal medicines.
3. Research reagent in metabolic-health and hepatoprotective pharmacology.
4. Intermediate for anthraquinone-derived functional materials and colorants.
25kg/bag; 25kg/drum
CAS No.: 478-43-3
Product Name: Rhein
Purity / Assay:98%
Molecular Formula:C₁₅H₈O₆
Molecular Weight:284.22
EINECS No.:207-521-4
Synonym(s):Cassic acid; Rheic acid; Monorhein; 4,5-Dihydroxyanthraquinone-2-carboxylic acid
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