Metamizole Sodium Related Compounds & Impurities

Metamizole Sodium (dipyrone) is a pyrazolone analgesic and antipyretic with spasmolytic properties, widely used outside North America for pain and fever.

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 Metamizole Sodium reference standards, pharmacopeial and non-pharmacopeial Metamizole Sodium 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 Metamizole Sodium-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

Metamizole Sodium Monohydrate
Dipyrone Sodium Salt
4-Acetamido Antipyrine
Metamizole EP Impurity A
Metamizole Ep Impurity B
Metamizole EP Impurity C Hydrochloride
Metamizole EP Impurity D
Metamizole EP Impurity E
Metamizole impurity E Sodium Salt
Metamizole EP Impurity E Dihydrate
Metamizole Impurity 1
Methazolamide Impurity C
Methazolamide Impurity D
Metamizole Impurity 5
Metamizole Impurity 15
N-Nitroso Metamizole EP Impurity C
N-Nitroso Metamizole EP Impurity E
Metamizole EP Impurity C
Metamizole Impurity 9
Metamizole Impurity 12
Magnesium Dipyrone
Metamizole magnesium
Metamizole Impurity 14
N-Nitroso Metamizole EP Impurity E Sodium
Nitrosoantipyrine
Metamizole Impurity Disodium
Metamizole Impurity 3

Metabolites

4-Methylamino d3 Antipyrine

Isotope Labelled Compounds

4-MethylaMinoantipyrine-D3 Hydrogen Sulfate
Metamizole-D3 sodium salt
Dipyrone D3 sodium
N-Nitroso Metamizole EP Impurity C D3