CN Patent

CN117517545A — 一种盐酸曲唑酮有关物质检测方法

Assigned to Chongqing Ruien Pharmaceutical Co ltd · Expires 2024-02-06 · 2y expired

What this patent protects

本发明提供了一种盐酸曲唑酮有关物质检测方法，采用高效液相色谱法对盐酸曲唑酮有关物质进行检测，所述高效液相色谱法的色谱条件为：色谱柱为C18色谱柱，流动相A为冰乙酸、三乙胺和水的混合溶液，流动相B为乙腈，梯度洗脱。本发明提供的高效液相色谱测定方法可以实现E05‑ZZD与曲唑酮峰的基线分离，并且色谱柱柱压适宜。

USPTO Abstract

本发明提供了一种盐酸曲唑酮有关物质检测方法，采用高效液相色谱法对盐酸曲唑酮有关物质进行检测，所述高效液相色谱法的色谱条件为：色谱柱为C18色谱柱，流动相A为冰乙酸、三乙胺和水的混合溶液，流动相B为乙腈，梯度洗脱。本发明提供的高效液相色谱测定方法可以实现E05‑ZZD与曲唑酮峰的基线分离，并且色谱柱柱压适宜。

Drugs covered by this patent

Patent Metadata

Patent number
CN117517545A
Jurisdiction
CN
Classification
—
Expires
2024-02-06
Drug substance claim
No
Drug product claim
No
Assignee
Chongqing Ruien 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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