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

Tolcapone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-O-Benzyl-4-O-methyl Tolcapone-d4 Stable Isotopes CS-T-101842 Not Available Enquire
3-O-Methyl Tolcapone D7 Stable Isotopes CS-O-47465 Not Available Enquire
3-O-Methyl Tolcapone-d4 Stable Isotopes CS-O-03164 134612-80-9(Unlabeled) In Stock
Tolcapone-d4 Stable Isotopes CS-O-07014 1246816-93-2 In Stock
Tolcapone-D7 Stable Isotopes CS-CX-00593 134308-13-7 (Unlabeled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tolcapone API CS-O-11760 134308-13-7 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-O-Methyl Tolcapone Metabolite CS-O-10336 134612-80-9 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Denitro Tolcapone Impurity CS-T-15238 1391053-03-4 Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tolcapone O-beta-D-glucuronide Glucuronide CS-O-30506 204853-33-8 Enquire