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

Terfenadine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Carboxyterfenadine-d3 Stable Isotopes CS-BU-00030 83799-24-0 (Unlabeled) In Stock
Terfenadine D6 Stable Isotopes CS-O-13202 50679-08-8 (Unlabeled) Enquire
Terfenadine-d3 Stable Isotopes CS-T-86760 192584-82-0 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Terfenadine API Standards CS-O-30790 50679-08-8 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Terfenadine alcohol metabolite Metabolites CS-BX-00219 76815-56-0 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dehydroxy Terfenadine Impurities CS-T-73901 1632048-95-3 Enquire
Dehydroxydehydro Terfenadine Impurities CS-T-73329 104953-06-2 Enquire
Terfenadine N-Oxide Impurities CS-T-86793 634901-83-0 In Stock


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Dehydroxy Terfenadine Intermediates CS-T-51798 147158-67-6 Enquire