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Includes: HPLC, MASS/LC-MS, 1H NMR, FT-IR, Potency, Structure Elucidation Report (SER), and additional analytical data depending on the product.

Procaine Impurity B

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Catalogue No.:	VE0028730
CAS No.:	N/A
Mol. Formula:	C13H20N2O3
Mol. Weight:	252.31 g/mol

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Additional information on

Parent drug

Procaine

IUPAC Name

2-(diethylamino)ethyl 4-(hydroxyamino)benzoate

Pharmacopeial Synonyms

N/A

Synonyms

N/A

Smiles

O=C(OCCN(CC)CC)C1=CC=C(NO)C=C1

InChI

InChI=1S/C13H20N2O3/c1-3-15(4-2)9-10-18-13(16)11-5-7-12(14-17)8-6-11/h5-8,14,17H,3-4,9-10H2,1-2H3

Description

Procaine Impurity B, formula C13H20N2O3 and molecular weight 252.31 g/mol, is a structurally related aromatic amino ester impurity associated with procaine chemistry rather than a classical nitrosamine or genotoxic alert compound. It is typically considered a process-related or degradation-derived species arising from incomplete esterification, transesterification, or hydrolytic redistribution of the p-aminobenzoate and diethylaminoethanol fragments. Owing to its close polarity and ionization behavior, trace determination generally requires LC-MS/MS with selected reaction monitoring, often supported by high-resolution MS and chromatographic separation under acidic conditions to resolve it from the parent anesthetic and related esters.