4,5-二溴噻吩-2-磺酰氯

4,5-二溴噻吩-2-磺酰氯

4,5-dibromothiophene-2-sulfonyl chloride

81606-31-7

C4HBr2ClO2S2

340.44100

70.76000

4.28140

337.74700

1.65

179.6ºC

71-75 °C

2.301g/cm3

373.4ºC at 760 mmHg

II

8

2934999090

3261

R34

S45-S36/37/39-S26

C

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: