Impurity Reference Standard - Products

Pirfenidone

CAT No: CL-PFD-01 CAS No: 53179-13-8 Mol Wt: 185.2 Mol F: C12H11NO Inv Status: Custom Synthesis

Chemical Name: 5-methyl-1-phenylpyridin-2(1H)-one

Pirfenidone EP Impurity A

CAT No: CL-PFD-02 CAS No: 1603-41-4 Mol Wt: 108.1 Mol F: C6H8N2 Inv Status: Custom Synthesis

Chemical Name: 5-methylpyridin-2-amine

Pirfenidone EP Impurity B

CAT No: CL-PFD-03 CAS No: 1003-68-5 Mol Wt: 109.1 Mol F: C6H7NO Inv Status: In Stock

Chemical Name: 5-methylpyridin-2(1H)-one

Pirfenidone EP Impurity C

CAT No: CL-PFD-04 CAS No: 108-95-2 Mol Wt: 94.1 Mol F: C6H6O Inv Status: Custom Synthesis

Chemical Name: phenol

Pirfenidone EP Impurity D

CAT No: CL-PFD-05 CAS No: 108-86-1 Mol Wt: 157 Mol F: C6H5Br Inv Status: Custom Synthesis

Chemical Name: bromobenzene

Pirfenidone Impurity 1

CAT No: CL-PFD-06 CAS No: 2251047-36-4 Mol Wt: 292.3 Mol F: C18H16N2O2 Inv Status: Custom Synthesis

Chemical Name: 1,1'-(1,4-Phenylene)bis(5-methylpyridin-2(1H)-one)

Pirfenidone Impurity 2

CAT No: CL-PFD-07 CAS No: 377756-15-5 Mol Wt: 264.1 Mol F: C12H10BrNO Inv Status: In Stock

Chemical Name: 1-(4-Bromophenyl)-5-methylpyridin-2(1H)-one

Pirfenidone Impurity 3

CAT No: CL-PFD-08 CAS No: 13179-27-6 Mol Wt: 185.2 Mol F: C12H11NO Inv Status: Custom Synthesis

Chemical Name: 6-Methyl-1-phenylpyridin-2(1H)-one

Pirfenidone Impurity 4

CAT No: CL-PFD-09 CAS No: 161057-93-8 Mol Wt: 185.2 Mol F: C12H11NO Inv Status: In Stock

Chemical Name: 4-Methyl-1-phenylpyridin-2(1H)-one

Pirfenidone Impurity 5

CAT No: CL-PFD-10 CAS No: 53427-93-3 Mol Wt: 185.2 Mol F: C12H11NO Inv Status: Custom Synthesis

Chemical Name: 3-Methyl-1-phenylpyridin-2(1H)-one

Pirfenidone Impurity 6

CAT No: CL-PFD-11 CAS No: 912570-13-9 Mol Wt: 126.1 Mol F: C6H6O3 Inv Status: In Stock

Chemical Name: Benzene-1,2,3-triol

Pirfenidone Impurity 15

CAT No: CL-PFD-12 CAS No: 106-37-6 Mol Wt: 126.1 Mol F: C6H6O3 Inv Status: In Stock

Chemical Name: benzene-1,2,4-triol