乙基5-(2-噻吩基羰基)-2-噻吩羧酸酯

乙基5-(2-噻吩基羰基)-2-噻吩羧酸酯

ethyl 5-(thiophene-2-carbonyl)thiophene-2-carboxylate

890100-51-3

C12H10O3S2

266.33600

99.85000

3.21730

266.00700

1.605

206.9ºC

1.325g/cm3

418.6ºC at 760 mmHg

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: