Pirfenidone Impurity 21

Impurity reference standard · Pirfenidone

Request a quote
2D structure · drawn from the SMILES record
CAS number
887406-53-3
Molecular formula
C12H11NO2
Molecular weight
201.22
Purity
95%+
Appearance
Off-White to Beige Solid
Storage
2℃ ~ 8℃
Parent compoundPirfenidone5 impurities listed Request a quote Search the full catalogue

About Pirfenidone Impurity 21

Pirfenidone Impurity 21 is a specified impurity of Pirfenidone. It is registered under CAS number 887406-53-3.

The compound is characterised by its molecular formula C12H11NO2 and a molecular weight of 201.22, with the two-dimensional structure shown above. Because it shares the Pirfenidone scaffold, it is typically used to track process-related and degradation impurities of Pirfenidone during method development, forced degradation and stability studies.

Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: 2℃ ~ 8℃.

Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.

Need this standard, or a related one?

Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.