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

Flupirtine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Flupirtine-d4 Hydrochloride Stable Isotopes CS-O-06631 1324717-75-0 In Stock
Flupirtine-d5 (ethyl-d5) Stable Isotopes CS-T-95277 56995-20-1 (Unlabelled) Enquire
D-13223 D4 (Flupirtine Metabolite D4) Stable Isotopes CS-O-10049 1216989-17-1 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Flupirtine API CS-O-30591 56995-20-1 In Stock
Flupirtine Maleate API CS-T-24442 75507-68-5 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Acetylated Flupirtine Metabolite CS-P-00343 88874-11-7 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-[[(4-Fluorophenyl)methyl]amino]-1,3-dihydro-2H-imidazo[4,5... Impurity CS-T-54894 951624-49-0 In Stock
Flupirtine 5-nitropyridine impurity Impurity CS-O-13607 33400-49-6 In Stock
Flupirtine Maleate Impurity A Impurity CS-O-13605 1942902-42-2 In Stock
Flupirtine Maleate Impurity F Impurity CS-O-13609 1552323-75-7 Enquire
Flupirtine Maleate Impurity H Impurity CS-M-06263 16013-85-7 In Stock
Flupirtine Maleate Impurity B Impurity CS-O-13606 Not Available Enquire
Flupirtine Maleate Impurity D Impurity CS-T-16022 21630-56-8 Enquire
Flupirtine Maleate Impurity E Impurity CS-O-13608 1506942-35-3 Enquire
Flupirtine Maleate Impurity F Hydrochloride Impurity CS-P-07999 1552323-75-7 (free base) Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Flupirtine-N2-β-D-Glucuronide Glucuronide CS-T-54967 1147289-74-4 Enquire
Flupirtine-N6-β-D-Glucuronide Glucuronide CS-T-54968 1147289-72-2 Enquire