Journal of Analytical Science and Technology

Table 2 Ion transitions and collision energy values of SNAP-8 and IS

From: Method development for acetyl octapeptide-3 analysis by liquid chromatography-tandem mass spectrometry

Analyte	Precursor ion [M + 2H]²⁺ (*m/z*)	Product ions (*m/z*)
Analyte	Precursor ion [M + 2H]²⁺ (*m/z*)	Transition 1^a (*m/z*)	CE1^c (V)	Transition 2^b (*m/z*)	CE2^c (V)	Transition 3^b (*m/z*)	CE3^c (V)
Acetyloctapeptide-3 (SNAP-8)	538	102	− 30	84	− 48	144	− 25
Acetylhexapeptide-3 (IS)	445	102	− 39	84	− 55	144	− 30

^aQuantification ion
^bQualitative ions
^cCollision energy

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