(1-Azabicyclo[2.2.2]oct-2-en-3-yl)diphenylmethanol
- CAS
- 60999-41-9
- Formula
- C20H21NO
- MW
- 291.4 g/mol
ZX-041619
Impurity reference standards
Quifenadine impurity standards
This page brings together 4 Quifenadine related compounds that analytical teams use to identify, quantify and control impurities in the active ingredient and the finished dosage form. Most entries are process-related impurities, synthesis intermediates and isomers.
4reference materials
Each lot ships with a certificate of analysis, and characterisation data such as 1H-NMR, mass spectrum and HPLC purity can be shared before you order. Laboratories use them to validate related-substance methods, set specification limits under ICH Q3A and Q3B, and identify unknown peaks in stability samples.
All Quifenadine reference materials
1–4 of 4 standards
Questions
Quifenadine impurities, answered
What Quifenadine reference materials are available?
The catalogue currently lists 4 compounds for Quifenadine. Each product page shows the CAS number where one is assigned, the structure, formula and molecular weight.
What documents come with a Quifenadine impurity standard?
A certificate of analysis travels with every lot. On request we share the characterisation set, usually 1H-NMR, mass spectrum, HPLC purity and IR, and for some materials TGA or water content. Ask for the data before ordering if your QA team needs to review it.
Can Zemixal make a Quifenadine impurity that is not listed?
Often yes. Send the structure, name or CAS number with the quantity you need and our sourcing team checks custom synthesis options, usually from 10 mg up to gram scale, with a quoted lead time.