补充描述:
2-Hydroxy-4-methoxy-5-sulfonic acid benzophenone, marketed as UV-30 (CAS 4065-45-6), is manufactured directly by Shandong Yinglang Chemical Co., Ltd at its Shandong facility, offered at both food and pharmaceutical grade to ChP and USP standards. It is sold across North America, Central/South America, Europe, Oceania, and Asia.
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