1,4,5,8-tetrahydroxyanthraquinone

1,4,5,8-Tetrahydroxyanthraquinone (CAS 81-60-7) is manufactured directly by Shanghai Sunway Pharmaceutical Technology Co., Ltd. to pharmaceutical-grade, in-house standards, available at 95% and 97% purity. It is distributed across North and South America, Europe, Australasia, Asia, the Middle East, and Africa, though samples are not provided for this listing.