4,5-二甲基-1,3-二恶烷

4,5-二甲基-1,3-二恶烷

4,5-dimethyl-[1,3]dioxane

1779-22-2

C6H12O2

116.15800

18.46000

1.01530

116.08400

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: