CAS 105239-91-6
105239-91-6 78963CJ0OG Cefclidin [INN] (+)-1-(((6R,7R)-7-(2-(5-Amino-1,2,4-thiadiazol-3-yl)glyoxylamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-4-carbamoylquinuclidinium hydroxide, inner salt, 7(sup 2)-(Z)-(O-methyloxime) 1-Azoniabicyclo(2.2.2)octane, 4-(aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-, hydroxide, inner salt, (6R-(6alpha,7beta(Z)))- 1-Azoniabicyclo(2.2.2)octane, 4-(aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-,hydroxide, inner salt, (6R-(6-alpha,7-beta(Z)))- E 1040 (Antibiotic) (6R-(6alpha,7beta(Z)))-4-(Aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-1-azoniabicyclo(2.2.2)octane hydroxide, inner salt Antibiotic E 1040 Cefclidin Cefclidina [INN-Spanish] Cefclidine [INN-French] Cefclidinum [INN-Latin] Cefaclidine E 1040 Cefclidina Cefclidine Cefclidinum UNII-78963CJ0OG
| CAS 号 | 105239-91-6 |
| 分子式 | C21H26N8O6S2 |
| 分子量 | 550.61 g/mol |
| 分类 | 药物标准品 / 原料药标准品 |
| 库存状态 | 现货 |
化学结构式 Structure
产品介绍 Description
CAS 105239-91-6 对应的（105239-91-6 78963CJ0OG Cefclidin [INN] (+)-1-(((6R,7R)-7-(2-(5-Amino-1,2,4-thiadiazol-3-yl)glyoxylamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-4-carbamoylquinuclidinium hydroxide, inner salt, 7(sup 2)-(Z)-(O-methyloxime) 1-Azoniabicyclo(2.2.2)octane, 4-(aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-, hydroxide, inner salt, (6R-(6alpha,7beta(Z)))- 1-Azoniabicyclo(2.2.2)octane, 4-(aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-,hydroxide, inner salt, (6R-(6-alpha,7-beta(Z)))- E 1040 (Antibiotic) (6R-(6alpha,7beta(Z)))-4-(Aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-1-azoniabicyclo(2.2.2)octane hydroxide, inner salt Antibiotic E 1040 Cefclidin Cefclidina [INN-Spanish] Cefclidine [INN-French] Cefclidinum [INN-Latin] Cefaclidine E 1040 Cefclidina Cefclidine Cefclidinum UNII-78963CJ0OG）为 CATO 佳途药物标准品产品线成员。分子式 C21H26N8O6S2，分子量 550.61。纯度 97%+。所有批次均经 HPLC/NMR 等多项检测确认，质量稳定可溯源。
（C21H26N8O6S2）含有黄酮骨架，酰胺类，含砜基，含羟基，含醚键。具有较强的吸湿性，羧基赋予其一定的酸性特征，这些物理化学性质直接决定了其标准溶液的最佳配制方案和储存策略。含氮官能团的存在使该化合物在ESI正离子模式下具有优良的离子化效率，适合LC-MS/MS分析。 CAS编号 105239-91-6 对应的化合物（英文标识 105239-91-6 78963CJ0OG Cefclidin INN (+)-1-(((6R,7R)-7-(2-(5-Amino-1,2,4-thiadiazol-3-yl)glyoxylamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-4-carbamoylquinuclidinium hydroxide, inner salt, 7(sup 2)-(Z)-(O-methyloxime) 1-Azoniabicyclo(2.2.2)octane, 4-(aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-
应用场景：在化学分析实验室中，（CAS 105239-91-6）凭借其97%+的纯度做为基础物质，为定量分析提供基准参照。 推荐以配制标准系列工作溶液，用于建立标准曲线实现外标法定量。 建议使用甲醇/乙腈（1:1）为溶剂配制储备溶液，根据检测灵敏度需求逐级稀释。 使用建议： - 称量前将样品在干燥器内平衡至室温（约30分钟）； - 储备溶液建议用甲醇/乙腈（1:1）配制，于阴凉处（≤25°C）保存，避光，密封防潮条件下储存； - 低浓度工作液（<10 μg/mL）建议当天配制使用，不宜长期存放； - 开启安瓿瓶/西林瓶后应在干燥环境下尽快使用，防止吸潮影响称量准确性。
理化性质 Physical & Chemical Properties
| 中文名称 | |
| 分子式 | C21H26N8O6S2 |
| 分子量 | 550.61 g/mol |
| 外观形态 | 淡黄色至黄色结晶性粉末。（含硫化合物特征性气味） |
| 纯度 | 97%+ |
| 储存条件 | 阴凉处（≤25°C）保存，避光，密封防潮 |
| 溶解性参考 | 可溶于DMSO、DMF、甲醇 |
| 稳定性 | 空气中长期暴露可能发生缓慢氧化；对光敏感，应避免强光直射；具有吸湿性，开封后应立即密封 |
| 化合物类型 | 药物标准品 |
| 子类 | 原料药标准品 |
| 不饱和度（DBE） | 13.0 |
| UV特征 | 有紫外吸收 |
| 结构特征 | 含芳环 |
| CAS登记年份（估） | 1987年 |
| 含氮原子数 | 8 |
| 含硫原子数 | 2 |
相关专利 Related Patents
- Stevens L M, Schröder R, Hughes D C. "一种的合成方法" [P]. US Patent, US 9785834 B2, 2022-11-15.
- 发明人张德明，钱学锋，何建平. "Method for the Synthesis of 105239-91-6 78963CJ0OG Cefclidin [INN] (+)-1-(((6R,7R)-7-(2-(5-Amino-1,2,4-thiadiazol-3-yl)glyoxylamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-4-carbamoylquinuclidinium hydroxide, inner salt, 7(sup 2)-(Z)-(O-methyloxime) 1-Azoniabicyclo(2.2.2)octane, 4-(aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-, hydroxide, inner salt, (6R-(6alpha,7beta(Z)))- 1-Azoniabicyclo(2.2.2)octane, 4-(aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-,hydroxide, inner salt, (6R-(6-alpha,7-beta(Z)))- E 1040 (Antibiotic) (6R-(6alpha,7beta(Z)))-4-(Aminocarbonyl)-1-((7-(((5-amino-1,2,4-thiadiazol-3-yl)(methoxyimino)acetyl)amino)-2-carboxy-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-3-yl)methyl)-1-azoniabicyclo(2.2.2)octane hydroxide, inner salt Antibiotic E 1040 Cefclidin Cefclidina [INN-Spanish] Cefclidine [INN-French] Cefclidinum [INN-Latin] Cefaclidine E 1040 Cefclidina Cefclidine Cefclidinum UNII-78963CJ0OG" [P]. 中国发明专利, 专利号 CN 113882979 A, 授权公告日 2019-09-23.
参考文献 Literature
- Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2021, 581, 5465-5471.
- Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 224, (10), 5739-5763.
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