N-Nitroso Levodropropizine EP Impurity B CAS 14340-33-1

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.14340-33-1
Molecular FormulaC10H13N3O
Molecular Weight191.23 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

N-Nitroso Levodropropizine EP Impurity B CAS 14340-33-1 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-Nitroso Levodropropizine EP Impurity B.

N-Nitroso Levodropropizine EP Impurity B (CAS 14340-33-1) is a certified pharmaceutical impurity reference standard with the molecular formula C10H13N3O and a molecular weight of 191.23 g/mol.

Based on its molecular formula C10H13N3O, N-Nitroso Levodropropizine EP Impurity B contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 191.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

As a certified reference material (CRM), N-Nitroso Levodropropizine EP Impurity B meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC10H13N3O
Molecular Weight191.23 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Nitrogen Atoms3

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