4-氨基噻吩-2,3-二甲酸二甲酯

4-氨基噻吩-2,3-二甲酸二甲酯

Dimethyl 4-Aminothiophene-2,3-Dicarboxylate

62947-31-3

C8H9NO4S

215.22600

106.86000

1.48470

215.02500

1.371 g/cm3

350.5ºC at 760 mmHg

2934999090

Xi

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: