Demei Chemicals Demei Chemicals

Sennoside B

CAS: 128-57-4

Category: Glycosides

PurityReagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5%
Molecular FormulaC42H38O20
Molecular Weight862.74
Appearancedark brown to black crystalline powder
Packaging1 g/amber glass vial, 5 g/aluminum foil bag.
Testing IndicatorsAppearance — Visual inspection; Identification — TLC, HPLC; Purity — RP-HPLC; Specific rotation — Polarimetry; Loss on drying — Gravimetry; Heavy metals — ICP-MS; Microbial limits — Pour plate; Total ash — Muffle furnace; Sennoside A — HPLC.
Storage NotesStored in a cool, dry place at -20°C in a tightly closed container, protected from light, moisture, and oxygen.
Lead Time
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days
Used as a dianthrone glycoside intermediate extracted from senna leaves in the synthesis of stimulant laxatives for constipation relief.

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