93703-24-3

• 常用中文名：8-溴-3-甲基黄嘌呤
• 常用英文名：8-BroMo-3-Methyl-xanthine
• CAS号：93703-24-3
• 分子式：C₆H₅BrN₄O₂
• 分子量：245.033
• 相关类别： 医药中间体 原料药中间体
• 发布时间：2018-12-26 09:08:50
• 更新时间：2026-06-30 11:09:48

名称

• 中文名: 8-溴-3-甲基-3,7-二氢-嘌呤-2,6-二酮
• 英文名: 8-Bromo-3-methyl-1H-purine-2,6(3H,7H)-dione
• 中文别名: 8-溴-3-甲基嘌呤; 3-甲基-8-溴黄嘌呤; 利拉利汀中间体8-溴-3-甲基黄嘌呤; 利格列汀杂质24; 8-溴-3-甲基-3,9-二氢-1H-嘌呤-2,6-二酮; 8-溴-3-甲基-1H-嘌呤-2,6(3H,7H)-二酮; 8-溴-3-甲基-3,7-二氢嘌呤-2,6-二酮; 利拉利汀中间体; 8-溴-3-甲基-3,7-二氢-嘌呤-2,6-二酮/8-Bromo-3-methyl-1H-purine-2,6(3H,7H)-dione; 2,6-二氧代-3-甲基-8-溴-3,7-二氢嘌呤; 8-溴-3-甲基-2,3,6,7-四氢-1H-嘌呤-2,6-二酮; 8-BROMO-3-METHYL-XANTHINE CAS号:93-3; 利格列汀中间体,8-溴-3-甲基黄嘌呤; 8-BROMO-3-METHYL-XANTHINE8-溴-3-甲基-3,7-二氢-嘌呤-2,6-二酮; 利格列汀 8-溴杂质; 8-溴-3-甲基黄嘌呤,利拉利汀中间体
• 英文别名: 8-broMo-3-Methyl-1H-purine-2,6(3H,7H); 8-Bromo-3-methyl-3,9-dihydra-1H-purine-2,6-dione; Linaint-F; 8-Bromo-3-methyl-3,9-dihydro-purine-2,6-dione; 8-Bromo-3-methyl-3,7-dihydropurine－2,6-dtone; Linagliptin Impurity 97; 8-bromo-3-methyl-7H-purine-2,6-dione; 8-Bromo-3-methyl-3,9-dihydro-1H-purine-2,6-dione; 8-Bromo-3-methyl-3,7-dihydropurine-2,6-dione; 1H-Purine-2,6-dione,8-broMo-3,9-dihydro-3-Methyl; 8-Bromo-3,9-dihydro-3-methyl-1H-purine-2,6-dione; 1H-purine-2,6(3H,7H)-dione; 8-Bromo-3-Methyl-Xanthine / Linagliptin Intermediate; 8-Bromo 2-methyl xanthine; 8-Bromo-3-methyl-xanthine ISO 9001：2015 REACH; 3-Methyl-8-broMoxanthine; Linagliptin Impurity 1/ Linagliptin 8-bromo impurity (LNG STG-I); 8-Bromo-3-methyL; Linagliptin 8-Bromo Impurity; 3-Bromo-3-methylxanthine; 8-Bromo-3-methyl-7H-purine-2,6-dione; 8-Bromo-3-methylxanthine 8-Bromo-3-methyl-3,7-dihydropurine-2,6-dione; 8-bromo-3-methyl-1H-purine-2,6(3H,7H)-dione; 8-Bromo-3-methyl-3,7-dihydro-1H-purine-2,6-dione; Linagliptin intermediate 3-Methyl-8-bromoxanthine(india site ); 1H-purine-2,6-dione, 8-broMo-3,7-dihydro-3-Methyl; 8-Bromo-3-methyl-xanthine; 8-bromo-3-methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione; Linagliptin intermediates，8-Bromo-3-methyl-3,7-dihydropurine- 2,6-dione

物化性质

• 密度: 2.0±0.1 g/cm3
• 熔点: 300°C(lit.)
• 分子式: C₆H₅BrN₄O₂
• 分子量: 245.033
• 精确质量: 243.959579
• PSA: 83.54000
• LogP: -0.63
• 外观性状: 固体;White to Almost white powder to crystal
• 折射率: 1.662
• 储存条件: 存放于惰性气体之中;避免空气

安全

• 危害码 (欧洲): Xi
• 风险声明 (欧洲): 22
• 安全声明 (欧洲): 26-36/37/39
• 海关编码: 2933990090

合成路线

1076-22-8 ~90% 93703-24-3

文献：US2002/28823 A1, ;

93703-23-2 ~85% 93703-24-3

文献：Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 20, # 8 p. 924 - 927 Khimiya Geterotsiklicheskikh Soedinenii, , # 8 p. 1129 - 1132

上下游产品

上游产品  2
1076-22-8 93703-23-2
下游产品  4
666816-98-4 101072-13-3 10381-82-5 93703-26-5

海关

海关编码	2933990090
中文概述	2933990090. 其他仅含氮杂原子的杂环化合物. 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%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%