Table 2.

Targeted NAD(H)(X) ions and their retention times

ID	Exact mass (u)	[M + H]+ (m/z)	[M-H2O + H]+ (m/z)	Sum formula	Retention time (min)
NAD+	664.1169	(665.1242)*		C21 H28 N7 O14 P2	10.77
NADH	665.1248	666.132		C21 H29 N7 O14 P2	14.06
S-NADHX	683.1353		666.132	C21 H31 N7 O15 P2	9.68
R-NADHX	683.1353		666.132	C21 H31 N7 O15 P2	11.64
cNADHX_1	665.1248	666.132		C21 H29 N7 O14 P2	17.11
cNADHX_2	665.1248	666.132		C21 H29 N7 O14 P2	18.76

^*Doubly charged ion was used for quantification