(R)-(-)-γ-乙氧羰基-γ-丁内酯

(R)-(-)-γ-乙氧羰基-γ-丁内酯

ethyl (2R)-5-oxooxolane-2-carboxylate

33019-03-3

C7H10O4

158.15200

52.60000

0.25510

158.05800

n20/D 1.448(lit.)

>230 °F

1.163 g/mL at 25ºC(lit.)

151-155ºC12 mm Hg(lit.)

2932190090

3

S23; S24/25

品名, 成分含量, 用途

2932190090 其他结构上有非稠合呋喃环化合物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:20.0%

2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

2932190090. Other Compounds containing an unfused furan ring (whether or not hydrogenated) in the structure. General tariff: