CN Patent

CN114755320B — 一种3-氨基-6-甲氧基哒嗪有关物质的检测方法

Assigned to Jiangsu Litaer Pharmaceutical Co ltd · Expires 2024-10-01 · 2y expired

What this patent protects

本发明公开了一种3‑氨基‑6‑甲氧基哒嗪有关物质的检测方法,该方法包含以下步骤:(1)配制供试品溶液和对照溶液;(2)检测和记录:采用液相色谱法对所述供试品溶液和对照溶液进行检测并记录谱图;其中所述液相色谱的色谱条件为:色谱柱:耐水的十八烷基键合硅胶柱;流动相:以六氟磷酸钾缓冲液(用磷酸调pH至2.8~3.2)为流动相A,以乙腈为流动相B,梯度洗脱;流速:0.9~1.1ml/min;柱温:33~37℃;检测波长:213~217nm。该检测方法可以快速、准确检测3‑氨基‑6‑甲氧基哒嗪中的有关物质,准确度、精密度、重现性及稳定性均良好。

USPTO Abstract

本发明公开了一种3‑氨基‑6‑甲氧基哒嗪有关物质的检测方法,该方法包含以下步骤:(1)配制供试品溶液和对照溶液;(2)检测和记录:采用液相色谱法对所述供试品溶液和对照溶液进行检测并记录谱图;其中所述液相色谱的色谱条件为:色谱柱:耐水的十八烷基键合硅胶柱;流动相:以六氟磷酸钾缓冲液(用磷酸调pH至2.8~3.2)为流动相A,以乙腈为流动相B,梯度洗脱;流速:0.9~1.1ml/min;柱温:33~37℃;检测波长:213~217nm。该检测方法可以快速、准确检测3‑氨基‑6‑甲氧基哒嗪中的有关物质,准确度、精密度、重现性及稳定性均良好。

Drugs covered by this patent

Patent Metadata

Patent number
CN114755320B
Jurisdiction
CN
Classification
Expires
2024-10-01
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Litaer Pharmaceutical Co ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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