3-羟基苯并[b]噻吩-2-羧酸甲酯 1,1-二氧化物

3-羟基苯并[b]噻吩-2-羧酸甲酯 1,1-二氧化物

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

21211-28-9

C10H8O5S

240.23300

89.05000

1.95430

240.00900

1.648

217.3ºC

2.31E-08mmHg at 25°C

1.592g/cm3

435.7ºC 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: