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N-Nitroso Desmethyl Citalopram
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| Catalogue No.: | VE0013275 |
|---|---|
| CAS No.: | N/A |
| Mol. Formula: | C19H18FN3O2 |
| Mol. Weight: | 339.4 g/mol |
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Additional information on N-Desmethyl-N-nitroso-Citalopram
Parent drug
CitalopramIUPAC Name
N-(3-(5-cyano-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-1-yl)propyl)-N-methylnitrous amidePharmacopeial Synonyms
N/ASynonyms
N/ASmiles
O=NN(CCCC1(C2=CC=C(F)C=C2)OCC3=C1C=CC(C#N)=C3)CInChI
InChI=1S/C19H18FN3O2/c1-23(22-24)10-2-9-19(16-4-6-17(20)7-5-16)18-8-3-14(12-21)11-15(18)13-25-19/h3-8,11H,2,9-10,13H2,1H3Shipping Condition
Ambient TemperatureDescription
N-Nitroso Desmethyl Citalopram is a nitrosamine impurity derived from the secondary amine precursor desmethyl citalopram through nitrosative transformation during synthesis, storage, or exposure to nitrosating agents. With molecular formula C19H18FN3O2 and molecular weight 339.4 g/mol, it belongs to the class of potentially genotoxic impurities addressed under ICH M7 principles because nitrosamines are associated with mutagenic risk. Its determination typically requires highly selective LC-MS/MS, often supported by high-resolution mass spectrometry and, where appropriate, GC-MS confirmation. Structural assignment is complicated by low-level occurrence, isomeric interferences, and the need for strict control of trace nitrite contamination.Request a Quote
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