9,9´-Spirobifluorene

9,9'-Spirobifluorene (CAS 159-66-0) is a white to almost white powder supplied at 99% purity by HPLC through Puyang Huicheng Electronic Material Co., Ltd. The listing indicates the company is a trading source rather than the direct manufacturer, with no samples provided, and the product is sold across North America, Europe, Australasia, and the Middle East.