CN Patent

CN116008439B — 一种检测2,6-二氧杂螺[4,5]癸烷类化合物或其盐中杂质的方法

Assigned to Shandong Luye Pharmaceutical Co Ltd · Expires 2023-10-27 · 3y expired

What this patent protects

本发明提供了一种检测式（I）所示2,6‑二氧杂螺[4,5]癸烷类化合物或其盐中杂质含量的方法。本发明的检测方法采用高效液相色谱技术，其中，色谱柱以十八烷基硅烷键合硅胶为填充剂，流动相A为辛烷磺酸钠及磷酸二氢钾的缓冲盐溶液，流动相B为乙腈。该方法专属性好、能同时检测多种杂质，可以有效监控杂质含量。（I）。

USPTO Abstract

本发明提供了一种检测式（I）所示2,6‑二氧杂螺[4,5]癸烷类化合物或其盐中杂质含量的方法。本发明的检测方法采用高效液相色谱技术，其中，色谱柱以十八烷基硅烷键合硅胶为填充剂，流动相A为辛烷磺酸钠及磷酸二氢钾的缓冲盐溶液，流动相B为乙腈。该方法专属性好、能同时检测多种杂质，可以有效监控杂质含量。（I）。

Drugs covered by this patent

safinamide-mesylate (SAFINAMIDE MESYLATE)

Patent Metadata

Patent number: CN116008439B
Jurisdiction: CN
Classification: —
Expires: 2023-10-27
Drug substance claim: No
Drug product claim: No
Assignee: Shandong Luye 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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