Neurotensin is a purified peptide and is mass spec standard which can be used for calibration of mass spectrometers. Neurotensin's amino acid sequence is pGlu-Leu-Tyr-Glu-Asn-Lys-Pro-Arg-Arg-Pro-Tyr-Ile-Leu. Neurotensin peptide gives a monoisotopic mass of 1690.928 [M + H]+ and average mass of 1692.0 [M + H]+. Conveniently dissolve the Neurotensin peptide right in the tube with buffer or matrix
solution then analyze by MALDI-MS or ESI-MS.
Molecular Weight: 1691.0
Monoisotopic Mass [M+H]+: 1690.928
CAS Number: 58889-67-1