. 2018 Oct 26;42(8):518–524. doi: 10.1093/jat/bky055

Table I.

MRM conditions and compensation voltages for cocaine and its metabolites

Compound	Transition ions (m/z)	DP (V)	CE (V)	CoV (V)	Elution time (Min)
COC	304.1 > 182.2	38	28	−15.5	0.73
COC-d₃	307.1 > 185.2	38	28	−15.5	0.73
BE	290.1 > 168.1	37	28	−19.8	0.60
	290.1 > 105.1	37	35	−19.8	0.60
BE-d₈	298.1 > 171.1	37	28	−19.8	0.60
	398.1 > 110.1	37	35	−19.8	0.60
EME	200.1 > 182.2	35	26	−31.4	0.18
	200.1 > 82.1	35	39	−31.4	0.18
EME-d₃	203.1 > 185.2	35	26	−31.4	0.18
	203.1 > 85.1	35	39	−31.4	0.18
CE	318.1 > 196.2	45	25	−13.2	0.81
	318.1 > 82.2	45	50	−13.2	0.81
CE-d₈	326.1 > 204.1	45	25	−13.2	0.81
	326.1 > 85.2	45	50	−13.2	0.81

DP, deprotonation energy; CE, collision energy CoV, compensation voltage.