Flupirtine Related Compounds & Impurities

Flupirtine is a non-opioid centrally acting analgesic with muscle relaxant properties that acts through neuronal Kv7 potassium channel opening, withdrawn due to hepatotoxicity risk.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Flupirtine reference standards, pharmacopeial and non-pharmacopeial Flupirtine impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Flupirtine-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Flupirtine Maleate
4-Fluorobenzylamine
Flupirtine Impurity A
Flupirtine Impurity C
Flupirtine Impurity G
Flupirtine Impurity H
2-Amino-6-[(4-fluorobenzyl)-amino]-3-nitropyridine
Ethyl Chloroformate
Flupirtine Impurity D
Flupirtine Impurity B
Flupirtine Impurity F
Acetyl Flupirtine
Flupirtine Maleate EP Impurity E
Flupirtine Dimer
N-(6-amino-5-nitropyridin-2-yl)-N-(4-fluorobenzyl)nitrous amide
N-(5,6-diaminopyridin-2-yl)-N-(4-fluorobenzyl)nitrous amide
Isopropyl(2-amino-6-((4-fluorobenzyl)(nitroso)amino)pyridin-3-yl)carbamate
Propyl (2-amino-6-((4-fluorobenzyl)(nitroso)amino)pyridin-3-yl)carbamate
Methyl (2-amino-6-((4-fluorobenzyl)(nitroso)amino)pyridin-3-yl)carbamate
N-Nitroso Flupirtine Maleate

Isotope Labelled Compounds

Flupirtine-D4 Hydrochloride
Acetylated Flupirtine-D4
Flupirtine-D5