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4,5-dimethyl-2,7-diphenylpyrimido[4,5-d]pyrimidine

更新时间:2025-11-29 06:31:24

4,5-dimethyl-2,7-diphenylpyrimido[4,5-d]pyrimidine结构式
4,5-dimethyl-2,7-diphenylpyrimido[4,5-d]pyrimidine结构式
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常用名 4,5-dimethyl-2,7-diphenylpyrimido[4,5-d]pyrimidine 英文名 4,5-dimethyl-2,7-diphenylpyrimido[4,5-d]pyrimidine
CAS号 51164-88-6 分子量 312.36800
密度 N/A 沸点 N/A
分子式 C20H16N4 熔点 N/A
MSDS N/A 闪点 N/A

 名称

英文名 4,5-dimethyl-2,7-diphenylpyrimido[4,5-d]pyrimidine

 物理化学性质

分子式 C20H16N4
分子量 312.36800
精确质量 312.13700
PSA 51.56000
LogP 4.37060
InChIKey YKNPDVQMIGLDDQ-UHFFFAOYSA-N
SMILES Cc1nc(-c2ccccc2)nc2nc(-c3ccccc3)nc(C)c12

 安全信息

海关编码 2933990090

 海关

海关编码 2933990090
中文概述 2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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