CAS No. 74431-23-5 Assay HPLC: 98% Purity: 98% Loss on drying by TGA: 5%-8% pH: 4.5-7 Solubility: Sparingly soluble in water, slightly soluble in methanol. Specific optical rotation: +84 to +89 Please provide your price, CoA to me. Also with sample price. mail to Thanks! Company Name: TK Street Address: No. 95, Guanghua 1st Rd. , Lingya Dist. , City: Kaohsiung City Country/Region: Taiwan Zip: 802 Telephone: 886-912-666174