2-溴-1-(5-氯噻吩-2-基)乙酮

2-溴-1-(5-氯噻吩-2-基)乙酮

2-bromo-1-(5-chlorothiophen-2-yl)ethanone

57731-17-6

C6H4BrClOS

239.51700

45.31000

2.97910

237.88500

1.614

140.8ºC

Keep Cold

73-75ºC

1.766g/cm3

309.2ºC at 760mmHg

2934999090

品名, 成分含量, 用途

2934999090. 其他杂环化合物. 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%

2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: