Web1,2-二甲基苯,物理性质,化学性质,分子量,分子式,熔点,沸点,cas号,结构式,英文名,制备方法,用途,毒性 1,2-二甲基苯 化工字典查询,输入关键词: WebMar 20, 2024 · ChemicalBook 为您提供2,5-二溴苯-1,4-二甲醛(63525-48-4)的化学性质,熔点,沸点,密度,分子式,分子量,物理性质,毒性,结构式,海关编码等信息,同时 …
2,5-二甲基苯-1,4-二甲醛,纯度95% CAS:7044-92-0-德尔 …
WebJun 13, 2024 · 你说的是对的, 应该是2-乙基-1,4-二甲基苯。 1) 苯环上有多个取代基时,按数字最小化排位。见图: 2)都是烷基时, 按英语名称的字母顺序排位, 例如乙 … WebThe 14.5×114mm (.57 calibre) is a heavy machine gun and anti-materiel rifle cartridge used by the Soviet Union, the former Warsaw Pact, modern Russia, and other countries.. It was originally developed for the PTRS and PTRD anti-tank rifles, and was later used as the basis for the KPV heavy machine gun that formed the basis of the ZPU series anti-aircraft guns … the shop is closed now
2,5-二乙烯基-1,4-苯二甲醛_化工百科
Web产品名 : 2,5-二甲基苯甲醛 购买 现货供应 提供多种规格 CAS : 5779-94-2 产 地 : 上海 包 装 : 5g 价 格 : 399 库存数量: 3-4周 电 话 : 13816333479 Web英文名称:1,1,2,2-Tetrakis(4-(4-bromobutoxy)phenyl)ethene 分子式:C 42 H 48 Br 4 O 4 分子量:936.4441 WebFeb 5, 2014 · Name Email Dev Id Roles Organization; Ted Husted: husted at apache.org: husted: Committer: Cedric Dumoulin: cedric.dumoulin at lifl.fr: cedric: Committer: Martin Cooper the shop is expected to generate roughly