21786-97-0

• 常用中文名：4-氧-4H-苯并[D]嘧啶[2,1-B][1,3]噻唑-3-羧酸
• 常用英文名：4-OXO-4H-BENZO[D]PYRIMIDO[2,1-B][1,3]THIAZOLE-3-CARBOXYLIC ACID
• CAS号：21786-97-0
• 分子式：C₁₁H₆N₂O₃S
• 分子量：246.24200
• 发布时间：2018-12-09 12:05:38
• 更新时间：2024-01-12 08:20:43

名称

• 中文名: 4-氧-4h-苯并[d]嘧啶[2,1-b][1,3]噻唑-3-羧酸
• 英文名: 4-oxopyrimido[2,1-b][1,3]benzothiazole-3-carboxylic acid
• 英文别名: 3-carboxy-4-oxo-4H-pyrimido[2,1-b]benzothiazole; 4-oxo-4H-benzo[4,5]thiazolo[3,2-a]pyrimidine-3-carboxylic acid; 4-Oxopyrimido-<2,1-b>benzothiazol-3-carbonsaeure; 4-oxo-5-hydropyrimidino[2,1-b]benzothiazole-3-carboxylic acid; 4-Oxo-4H-9-thia-1,4a-diaza-fluorene-3-carboxylic acid; 4-oxo-3-(4H-pyrimido<2,1-b>benzothiazole)carboxylic acid

物化性质

• 分子式: C₁₁H₆N₂O₃S
• 分子量: 246.24200
• 精确质量: 246.01000
• PSA: 99.91000
• LogP: 1.60740

安全

• 海关编码: 2934100090

合成路线

136-95-8 ~% 21786-97-0

文献：Alaimo Journal of Heterocyclic Chemistry, 1973 , vol. 10, # 5 p. 769 - 772

21418-25-7 ~% 21786-97-0

文献：Wade,J.J. et al. Journal of Organic Chemistry, 1979 , vol. 44, # 11 p. 1811 - 1816

21786-89-0 ~% 21786-97-0

文献：Dunwell,D.W.; Evans,D. Journal of the Chemical Society [Section] C: Organic, 1971 , p. 2094 - 2097

65692-00-4 ~% 21786-97-0

文献：Sakamoto,M. et al. Chemical and Pharmaceutical Bulletin, 1977 , vol. 25, p. 3360 - 3365

30006-84-9 ~% 21786-97-0

文献：Sakamoto,M. et al. Chemical and Pharmaceutical Bulletin, 1977 , vol. 25, p. 3360 - 3365

50850-52-7 ~% 21786-97-0

文献：Alaimo Journal of Heterocyclic Chemistry, 1973 , vol. 10, # 5 p. 769 - 772

上下游产品

上游产品  4
136-95-8 21418-25-7 65692-00-4 50850-52-7
下游产品  0

海关

海关编码	2934100090
中文概述	2934100090. 结构上含有一个非稠合噻唑环的化合物(不论是否氢化). 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%
申报要素	品名, 成分含量, 用途
Summary	2934100090 other compounds containing an unfused thiazole 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%