Analyte MRM Transitiona (parent→quan, qual) LLOQ (ng/ml) HLOQ (ng/ml) Accuracy range (%) Carryover Limit (ng/ml) Precision (level 1/2/3, n=30)
Mean (ng/ml) Total CV (%) Intra CV (%)
Buprenorphine 468.3→396.3, 414.3 9.7 5647 80.5-113.0 10160 40/378/747 6.4/6.4/4.8 5.0/0.5/4.1
Norbuprenorphine 414.3→187.1, 340.1 9.6 4317 83.8-96.0 10443 32/326/613 3.3/3.3/10.3 2.2/0.2/9.9
6-MAM 328.1→211.1, 193.1 4.9 4800 96.0-100.4 8681 10/107/207 13.3/4.3/3.7 4.9/2.4/3.6
aTwo MRM transitions, a quantifier (quan) and a qualifier (qual) were monitored for each analyte. The quantifier to qualifier ratio was used for peak identification based on criteria set forth by the CLSI C50-A guideline
Table 1: MRM transitions and validation results.