N-Nitroso Desloratadine-d4

N-Nitroso desloratadine-d4 is intended for use as an internal standard for the quantification of N-nitroso desloratadine by GC- or LC-MS. N-Nitroso desloratadine is a nitrosamine.Formal Name: 8-chloro-6,11-dihydro-11-(1-nitroso-4-piperidinylidene-2,2,6,6-d4)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine. CAS Number: 2733579-31-0. Molecular Formula: C19H14ClD4N3O. Formula Weight: 343.8. Purity: >99% deuterated forms (d1-d4). Formulation: (Request formulation change), A solid. Solubility: DMSO: slightly soluble. SMILES: O=NN1C([2H])([2H])C/C(CC1([2H])[2H])=C2C3=NC=CC=C3CCC4=CC(Cl)=CC=C4/2. InChi Code: InChI=1S/C19H18ClN3O/c20-16-5-6-17-15(12-16)4-3-14-2-1-9-21-19(14)18(17)13-7-10-23(22-24)11-8-13/h1-2,5-6,9,12H,3-4,7-8,10-11H2/i10D2,11D2. InChi Key: BLGRQBLVAJWKOT-MKQHWYKPSA-N.