3-氯苯并[b]噻吩-2-羧酸甲酯 1,1-二氧化物

3-氯苯并[b]噻吩-2-羧酸甲酯 1,1-二氧化物

methyl 3-chloro-1,1-dioxo-1-benzothiophene-2-carboxylate

21211-23-4

C10H7ClO4S

258.67800

68.82000

2.63510

257.97500

1.626

222.6ºC

4.27E-08mmHg at 25°C

1.57g/cm3

444.5ºC 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: