Doxylamine Succinate Related Compounds & Impurities

Doxylamine Succinate is a first-generation H1-receptor antihistamine with sedative properties, used for insomnia and in combination with pyridoxine for pregnancy-related nausea.

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 Doxylamine Succinate reference standards, pharmacopeial and non-pharmacopeial Doxylamine Succinate 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 Doxylamine Succinate-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

Doxylamine Succinate
Doxylamine EP Impurity B
Doxylamine EP Impurity C
Doxylamine EP Imp C (Maleate Salt)(Desmethyl Doxylamine)
Doxylamine EP impurity C Oxalate
Doxylamine EP Impurity D
Doxylamine Pyridine N-Oxide HCl
Doxylamine EP Impurity A
Doxylamine Dioxide
Doxylamine Aliphatic N-Oxide
(S)-Desmethyl Doxylamine
Doxylamine-N-Oxide
Doxylamine-N-Oxide Di hcl
R-Desmethyl Doxylamine
N-desmethyl Doxylamine Hydrogen succinate
Doxylamine Pyridinyl-N-oxide
Doxylamine Dioxide
Aliphatic N-Oxide Doxylamine
(S)-Doxylamine Succinate
(R)-Doxylamine Succinate
Doxylamine Hydrogen Succinate Impurity C (EP)
Doxylamine Hydrogen Succinate Impurity A
Doxylamine Succinate EP Impurity B Hydrochloride
N-Nitroso N-Desmethyl Doxylamine
N,C-Didesmethyl Doxylamine N-Nitroso
N-Desmethyldoxylamine
Didemethyldoxylamine
Doxylamine Impurity 1
Doxylamine succinate salt

Isotope Labelled Compounds

Doxylamine-D5 Succinate
Doxylamine D5
N-Nitroso-N-Desmethyl-Doxylamine-D5