2,4-二氯-7,8-二氢-5H-噻喃并[4,3-d]嘧啶

2,4-二氯-7,8-二氢-5H-噻喃并[4,3-d]嘧啶

2,4-Dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine

181374-43-6

C7H6Cl2N2S

221.10700

51.08000

2.57270

219.96300

1.638

186.8ºC

8.56E-06mmHg at 25°C

1.513g/cm3

385.2ºC 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: