we can provide swertiamarin in good quanlity and competetive price. Appearance: white powderPurity: 98%CAS NO.: 17388-39-5Usage: swertiamarin mainly treats hepatitis, oxidation resistance, antivirus and increase immuune function.storage: store in a well-closed container at a cool and dry place. protect from strong light and heat,moisture and pest infestation. Swertiamarin