4-氯-3-羟基-5-甲氧基噻吩-2-羧酸甲酯

4-氯-3-羟基-5-甲氧基噻吩-2-羧酸甲酯

Methyl 4-chloro-3-hydroxy-5-methoxythiophene-2-carboxylate

95201-98-2

C7H7ClO4S

222.64600

84.00000

1.90230

221.97500

1.573

141.5ºC

1.472g/cm3

310.4ºC 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: