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3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride Manufacturer Factory CAS 2540-99-0 3,3',4,4'-Diphenylsulfonetetracarboxylic dianhydride Manufacturer High quality Best price In stock factory CAS 2540-99-0 3,3',4,4'-Di

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Product Name 3,3,4,4-diphenylsulfonetetracarboxylicdianhydride Abbreviation DSDA Cas No. 2540-99-0 Appearance White powder Purity ≥99% Molecular formula Appearance:Whit

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3,3,4,4-diphenylsulfonetetracarboxylicdianhydride CAS:2540-99-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing

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Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

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Product name: 3,3’,4,4’-Diphenylsulfonetetracarboxylic Dianhydride CAS No.：2540-99-0 Molecule Formula：C16H6O8S Molecule Weight：358.27 Purity: 99% Package: 25kg/drum Description：White powder Manufacture Standards：Enterprise Standard

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Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as:

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali