(E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯

(E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯

(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate

80937-23-1

C14H16O5

264.27400

61.83000

2.00580

264.10000

1.515

208.2ºC

87.0-91.0ºC

1.138g/cm3

393.2ºC at 760 mmHg

2918990090

HS: 2918990090 Other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

品名, 成分含量, 用途

2918990090. 其他含其他附加含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 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:30.0%

2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%