Pirfenidone impurities and related standards
4 reference standards related to Pirfenidone held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 4 of 4; 3 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Pirfenidone Impurity 18 | 1003-56-1 | RS-P008001 | C6H7NO | 109.13 |
| Pirfenidone Impurity 15 | 1198414-06-0 | RS-P008003 | C12H10ClNO | 219.67 |
| Pirfenidone EP Impurity A | 1603-41-4 | RS-P008004 | C6H8N2 | 108.14 |
| Pirfenidone EP Impurity B | 1003-68-5 | RS-P008002 | C6H7NO | 109.13 |
Structures
-
Pirfenidone Impurity 18
COA per lot -
Pirfenidone Impurity 15
COA per lot -
Pirfenidone EP Impurity A
COA per lot -
Pirfenidone EP Impurity B
COA per lot
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].