Naproxen Related Compounds & Impurities

Naproxen is a propionic acid NSAID with long half-life, used for inflammatory arthritis, pain and dysmenorrhoea.

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 Naproxen reference standards, pharmacopeial and non-pharmacopeial Naproxen 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 Naproxen-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

Naproxen Sodium
Naproxen
rac-Naproxen
Naproxen EP Impurity G
Naproxen EP Impurity K
Naproxen EP Impurity L
Naproxen EP impurity N
Naproxen EP Impurity A
Naproxen Racemate
Naproxen Dehydro Impurity
Naproxen EP Impurity O
Naproxen EP Impurity I
Naproxen EP Impurity E
Naproxen EP Impurity C
Naproxen EP Impurity B
Naproxen EP Impurity D
Naproxen EP Impurity J
Isopropyl2-hydroxy-2-(6-methoxynaphthalen-2-yl)acetate
Naproxen Sodium Impurity O
Naproxen EP Impurity F
Naproxen EP Impurity M
Catecholborane
2-(3-hydroxy-2,2-dimethylpropoxy)-1-(6-hydroxy-2-naphthyl)propan-1-one
2-(3-hydroxy-2,2-dimethylpropoxy)-1-(6-hydroxy-2-naphthyl)propan-1-one
(S)-Naproxen Acyl-beta-D-glucuronide
2-methoxy-6-vinylnaphthalene
Naproxen EP Impurity H
Alpha-Hydroxy Naproxen
Naproxen Isopropyl Ester (Single isomer)
rac-Naproxen 2-Propyl Ester
1,2-Dimethyl cyclopentane
1,3-Dimethyl cyclopentane
Naproxenal
Naproxen EP Impurity B
Naproxen 1,2-Propylene Glycol Esters (Mixture of Isomers)
Naproxen Glycerol Ester Impurity
2-(7-Methoxynaphthalene-1-yl)propanoic acid
2-(2-(6-methoxynaphthalen-2-yl)propanamido)butyl,2-(6-methoxynaphthalen-2-yl)propanoate
Rac-5-Bromo Naproxen
Naproxen Impurity 9
Naproxen 1,2,3-Propanetriol Ester (Mixture of Isomers)
Disodium 1-nitroso-3,6-disulfo-2-naphthol
Desmethyl Naproxen
Naproxen Form-IV
Naproxen Impurity 2
Naproxen Impurity 3
Naproxen Impurity 4
Naproxen Impurity 5

Metabolites

(R,S)-Naproxen acyl-beta-D-glucuronide
Naproxen Impurity 1

Isotope Labelled Compounds

Naproxen-D3
Rac-Naproxen 13C D3