追加説明:
1-Pyrenecarboxaldehyde (CAS 3029-19-4), marketed in an electronic grade under the CHINATECH brand, is manufactured directly by Chinatech (Tianjin) Chemical Co., Ltd., a supplier specializing in high-performance polyimide monomers, under the company's in-house standard. Samples can be arranged by email consultation, and the product is sold across North America, Western Europe, and Asia.
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