Quinidine Sulfate Impurity – B
(S)-[(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]oct-2-yl](quinolin-4-yl)methanol (cinchonine)
| Chemical Name | (S)-[(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]oct-2-yl](quinolin-4-yl)methanol (cinchonine) |
|---|---|
| CAS No. | 118-10-5 |
| Molecular Formula | C19H22N2O |
| Molecular Weight | 294.4 |
| Chemical Structure |
![(S)-[(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]oct-2-yl](quinolin-4-yl)methanol (cinchonine) Structure](https://bhavanishlifesciences.com/wp-content/uploads/2026/09/quinidine-sulfate-impurity-b-structure.png) |
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Quinidine Sulfate Impurity – B
Quinidine Sulfate Impurity – B is a known related substance / impurity of Quinidine Sulfate, recognized under the EP monograph. Chemically, it is described as (S)-[(2R,4S,5R)-5-ethenyl-1-azabicyclo[2.2.2]oct-2-yl](quinolin-4-yl)methanol (cinchonine). It has the molecular formula C19H22N2O and a molecular weight of 294.4 g/mol. It plays a key role in stability-indicating assay development and regulatory impurity profiling for Quinidine Sulfate. Available as a high-purity certified reference material suitable for HPLC, LC-MS, and other analytical techniques.
Quinidine Sulfate impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, Quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.
We are the BHAVANISH LIFE SCIENCES specializes in manufacturing and supplying of Quinidine Sulfate impurities that meet specific pharmacopeial standards (USP/EP/BP/IP) as well as process-related impurities.
This related products or Impurities are thoroughly characterized. Supplied with detailed COA & analytical data Like NMR / MASS / HPLC / GC / IR / TGA / Potency / Structure elucidation data (SER Report) meeting regulatory compliance.
BHAVANISH LIFE SCIENCES provides this compound for research and development and Analytical testing use only, and is not meant for human consumption. With product information including CAS number, molecular formula, molecular weight details.
BHAVANISH LIFE SCIENCES in providing high-quality impurity standards to support pharmaceutical companies in maintaining drug safety and efficacy.
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