CN Patent

CN105319294B — 一种分离测定卡格列净及其有关物质的方法

Assigned to Chongqing Pharmaceutical Research Institute Co Ltd · Expires 2021-03-30 · 5y expired

What this patent protects

本发明公开了一种分离测定卡格列净及其有关物质的方法，该方法采用高效液相色谱法，以丁烷基硅烷键合硅胶填料为色谱柱，以磷酸溶液与乙腈组成流动相，进行梯度洗脱。该方法可以将卡格列净及其有关物质很好分离，检测的重现性好、灵敏度高、专属性强、操作简便，有助于控制卡格列净的质量和用药安全。

USPTO Abstract

本发明公开了一种分离测定卡格列净及其有关物质的方法，该方法采用高效液相色谱法，以丁烷基硅烷键合硅胶填料为色谱柱，以磷酸溶液与乙腈组成流动相，进行梯度洗脱。该方法可以将卡格列净及其有关物质很好分离，检测的重现性好、灵敏度高、专属性强、操作简便，有助于控制卡格列净的质量和用药安全。

Drugs covered by this patent

Patent Metadata

Patent number
CN105319294B
Jurisdiction
CN
Classification
—
Expires
2021-03-30
Drug substance claim
No
Drug product claim
No
Assignee
Chongqing Pharmaceutical Research Institute 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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