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Xi-nan Fine Chemical Co.,Ltd.
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About Us
1 1, 4, 5, 8-Naphthalenetetracarboxylic Dianhydride CAS Registry Number 81-30-1 Purity:98%
2 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS :2421-28-5 purity 99%
3 4,4'-Oxydiphthalic Anhydride
CAS:1823-58-2 Purity 99.5%
4 4,4'-biphthalic Anhydride CAS 2420-87-3 Purity 99.5%
5 1,2,3,4-cyclobutanetetracarboxylic dianhydride
CAS 4415-87-6 Purity 98%
7 trans-4'-Propyl-(1,1'-bicyclohexyl)-4-carboxylic acid
CAS 65355-32-0 Purity:99.5%
8 ...
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1, 4, 5, 8-Naphthalenetetracarboxylic Dianhydride
Molecular Formula ...
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