Computed Properties of C5H2Cl2N4. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 2,6-Dichloropurine, is researched, Molecular C5H2Cl2N4, CAS is 5451-40-1, about Nucleobase derivatives induce in-source decay of oligonucleotides as new matrix-assisted laser desorption/ionization matrices.
Rationale : For quality control of oligonucleotide therapeutics, accurate and efficient structural characterization using mass spectrometry techniques, such as liquid chromatog./mass spectrometry (LC/MS) and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS), is essential. In MALDI MS anal., matrix selection is critical and a new matrix could enable more efficient and rapid structural anal. Methods : We hypothesized that nucleobase derivatives could act as matrixes more efficiently than the currently used matrixes for oligonucleotides because of structural similarity, which leads to close contact with the analyte. To evaluate their suitability as matrixes, 16 nucleobase derivatives were selected and tested as matrix candidates for oligonucleotide anal. Results : Six of the 16 nucleobase derivatives acted as matrixes for oligonucleotides. Particularly, 6-thioguanine (TG) performed well and induced clear in-source decay fragmentation. When TG or 2-amino-6-chloropurine was used as the matrix, oligonucleotides were ionized, and mainly the w and d fragment ions were observed Conclusions : Herein we demonstrate that a 10-mer RNA or DNA sequence can be successfully characterized using TG as matrix and suggest the possibility of using nucleobase derivatives as novel matrixes in oligonucleotide sequencing.
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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem