补充描述:
3,5-Bis(trifluoromethyl)benzophenone (CAS 21221-93-2) is manufactured directly by Speranza Chemical Co., Ltd. at chemical grade, produced to a wide set of pharmacopoeial standards (ChP, USP, BP, EP, JP, IP, Ph. Int.) alongside the company's in-house specification. It is sold across North America, Europe, Australasia, Asia, the Middle East, and Africa.
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