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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Pirfenidone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Pirfenidone impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Pirfenidone-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Pirfenidone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Carboxy-Pirfenidone-d5 Stable Isotopes CS-P-08978 1020719-24-7 In Stock
Pirfenidone-d5 Stable Isotopes CS-O-11280 1020719-62-3 In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Pirfenidone API Standards CS-O-02125 53179-13-8 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Hydroxy-5-picoline Impurities CS-DL-00839 1003-68-5 In Stock
3-Methyl-1-Phenyl-2(1H)-Pyridinone Impurities CS-T-95809 53427-93-3 Enquire
4-Bromo Pirfenidone Impurities CS-P-08417 377756-15-5 Enquire
4-Methyl-1-phenylpyridin-2(1H)-one Impurities CS-O-43369 161057-93-8 Enquire
N-Phenylpyridin-2(1H)-one Impurities CS-T-94242 13131-02-7 In Stock
Pirfenidone Impurity 3 Impurities CS-EO-00728 13179-27-6 Enquire
Pirfenidone Impurity 4 Impurities CS-P-08418 2251047-36-4 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Pirfenidone(Y0001769) EP Standards CS-EG-03292 53179-13-8 In Stock


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Hydroxy-3-methylpyridine Intermediates CS-AC-11155 1003-56-1 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,4-Dibromobenzene Fine Chemicals CS-T-17193 106-37-6 In Stock
1-Bromobenzene Fine Chemicals CS-T-07915 108-86-1 In Stock