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If you interested in this product, pls seach us by google of Hangzhou onicon chemical,or contact by email of selenite88(a)hotmail dot com beta sitosterol CAS 83-46-5 Quantity: 40% 50% 70% 95% Confirms to EP5/USP26 Appearance White Crystalline Powder beta-Sitosterol ≥70% Brassicasterol ≤0.50% Campestanol ≤5.0% Campesterol ≤15.0% stigmasterol ≤5.0% sitostanol ≤15.0% Other stigmastenol ≤5.0% Total Phytosterols ≥95% Loss on Drying ≤4.0% Residue on Ignition,ASH ≤0.50% Heavy Metal ≤10PPM Arsenic ≤5PPM