31251-41-9

• 常用中文名：8-氯-5,6-二氢-11H-苯并[5,6]环庚[1,2-b]吡啶-11-酮
• 常用英文名：Loratadine Impurity 2
• CAS号：31251-41-9
• 分子式：C₁₄H₁₀ClNO
• 分子量：243.68800
• 发布时间：2018-12-14 09:42:37
• 更新时间：2026-07-04 21:21:45

名称

• 中文名: 8-氯-5,6-二氢-11H-苯并[5,6]环庚烷并[1,2-b]吡啶-11-酮
• 英文名: 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one
• 中文别名: 氯雷他定相关杂质C; 氯雷他定杂质2(氯雷他定杂质B); 氯雷他定相关杂质C 31-9; 8-氯-5,6-二氢-11H-苯并[5,6]环庚烷并[1,2-B]吡啶-11-酮 31-9; 氯雷他定杂质B; 8-氯-5,6-二氢-11H-苯并[5,6]环庚[1,2-B]吡啶-11-酮; 氯雷他定相关化合物C; 氯雷他定杂质B 标准品; 8-氯-5,6-二氢-11H-苯并[5,6]环庚基[1,2-B]吡啶-11-酮; 1氯雷他定杂质B; 氯雷他定 杂质 B(氯雷他定 相关化合物 C); 氯雷他定杂质CHEMICALBOOKB; 6-二氢-11H-苯并[5,6]环庚烷并[1,2-B]吡啶-11-酮; 8-氯-5,6-二氢-11H-苯并[5,6]环庚烷; 氯雷他定相关杂质C 标准品; 8-氯-5,6-二氢-11H-苯并[5,6]环庚[1,2-B]吡啶-11-酮(地氯雷他定杂质)
• 英文别名: Keto loratadine; 6-dihydro-11H-benzo[5; 8-Chloro-10; 11-dihydro-4-aza-5H-benzo[A; Loratadine Impurity B (Loratadine Related Compound C); D] cycloheptan-5-one; Loratadine Related Compound C (8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohta[1,2-b]pyridin-11-one); 8-Chloro-10,11-dihydro-4-aza-5H-dibenzo[a,d]cyclohtan-5-on; Loratadine Impurity B（）; 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclo hta[1,2-b]pyridin-11; 8-CHLORO-10,11-DIHYDRO-4-AZA-5H-BENZO[A,D] CYCLOHTAN-5-ONE; 8-Chloro-10,11-dihydro-4-aza-5; 8-CHLORO-10,11-DIHYDRO-4-AZA-5H-DIBENZO-(A,D)CYCLOHTAN-5-ONE; Loratadine Impurity 2(Loratadine Impurity B); 2-b]pyridin-11-one; Loratadine Related CoMpound C; 13-chloro-4-azatricyclo[9.4.0.0,3,8]pentadeca-1,3,5,7,11,13-hexaen-2-one; 8-Chloro-5,6-dihydro-11H-benzo; 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohta[1,2-b]pyridin-11-one; Loratadine Related Compound C (15 mg) (8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohta[1,2-b]pyridin-11-one); 8-CHLORO-5,6-DIHYDRO-11H-BENZO[5,6]CYCLOHTA[1,2-B]PYRIMIDINE-11-ONE; 8-chloro-10,11-dihydro-4-AZA-5H-benzo〔A,D〕cyclohta-5-one; 8-CHLORO-6,11-DIHYDRO-11-(1-METHYL-4-PIPERIDYLEDENE)-5H-BENZO(5,6)-CYCLOHTA(1,2,B)PYRIDINE; 2-chloromethyl-3-methy-(2,2,2- triflu oroethoxy) pyridine hydrochloride; 4-(8-Chloro-6,11-dihydro-5H-benzo[5,6]cyclo; Loratad Impurity B; Loratadine IMpurity B; 11H-Benzo[5,6]cyclohta[1,2-b]pyridin-11-one,8-chloro-5,6-dihydro; 8-CHLORO-10,11-DIHYDRO-4 AZA-5H-BENZO[A,D] CYCLOHTAN-5-ONE =; D] cyclohtan-5-one; 8-Chloro-10,11-dihydro-4-aza-5H-dibenzo (a,d)yclohtan-5-one; 8-CHLORO-5,6-DIHYDRO-11H-BENZO-(5,6)-CYCLOHTA-(1,2-B)-PYRIMIDINE-11-ON; 13-chloro-4-azatricyclo[9.4.0.03,8]pentadeca-1,3,4,6,12,14-hexaen-2-one; 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohta[1,2-b]pyridin-11-one (Desloratadine Impurity); 8-chloro-5,6-dihydro-11H-benzo [5,6] cyclohtano [1,2-b] pyridin-11 one; 4-Aza-8-chloro-10,11-dihydro-5H-benzo[a,d]cyclo-5-htanone; 8-Chloro-5,6-dihydro-benzo[5,6]cyclohta[1,2-b]pyridin-11-one; Loratidine Impurity B/ Loratidine Related Compound C; 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohta[1,2-β]pyridin-11-one; 8-Chloro-10,11-dihydro-4-AZA-5H-dibenzo(a,d)- Cyclohten-5-One(or)(Loraketone); Loratadine tricycline; MFCD00800222

物化性质

• 密度: 1.313g/cm3
• 沸点: 433.6ºC at 760mmHg
• 熔点: 90-92ºC
• 分子式: C₁₄H₁₀ClNO
• 分子量: 243.68800
• 闪点: 216ºC
• 精确质量: 243.04500
• PSA: 29.96000
• LogP: 3.06460
• 外观性状: 黄色固体
• 折射率: 1.632
• 储存条件: -20?C Freezer
• 水溶解性: 可溶于：甲醇

安全

• 危害码 (欧洲): Xi: Irritant;
• 危险品运输编码: NONH for all modes of transport
• 海关编码: 2933990090

合成路线

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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%