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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Phenylbutazone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Phenylbutazone 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 Phenylbutazone-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.

Phenylbutazone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Phenylbutazone(diphenyl-d10) Stable Isotopes CS-T-84091 1219794-69-0 In Stock


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Phenylbutazone API CS-O-30729 50-33-9 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Azobenzene Impurity CS-T-04699 103-33-3 In Stock
Benzidine dihydrochloride Impurity CS-BX-00904 531-85-1 In Stock
Phenylbutazone EP Impurity A Impurity CS-O-13789 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxymethylphenylbutazone Fine Chemicals CS-O-60512 23111-33-3 Enquire
4-Hydroxyphenylbutazone Fine Chemicals CS-ZG-80621 16860-43-8 Enquire