追加説明:
2A Biotech USA manufactures this industrial-grade 4-chlorophthalic anhydride (CAS 118-45-6) in-house, noted in the listing as a precursor to biphenyl tetracarboxylic dianhydride. Free samples are not offered, and it is sold across Asia, North America, Central/South America, Western Europe, Eastern Europe, Australasia, and the Middle East.
評価とコメントを残す