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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-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 Standards

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


Metabolites

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


Impurities

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


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tolcapone 5-amino-3-O-sulfate Intermediates CS-ED-08460 254902-29-9 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Tolcapone O-beta-D-glucuronide Glucuronides CS-O-30506 204853-33-8 In Stock