Determination of Glucocorticoids in UPLC-MS in Environmental Samples from an Occupational Setting

Table 1

Codes and principal chemical features of glucocorticoids.

Compound	Code	Case number	RT^a		CV^b
Beclomethasone dipropionate	1	5534-09-8	5.10	522.0	36
Betamethasone dipropionate	2	5593-20-4	4.69	505.6	35
Clobetasol 17-propionate	3	25122-46-7	3.49	468.0	30
Clocortolone pivalate	4	34097-16-0	5.63	496.0	30
Chlormadinone acetate	5	302-22-7	4.00	405.9	32
Delmadinone acetate	6	13698-48-2	3.59	403.9	25
Desonide	7	638-94-8	2.12	417.5	30
Desoximetasone	8	382-67-2	2.35	377.5	30
Diflucortolone valerate	9	59198-70-8	5.26	479.6	30
Exemestane	10	107868-30-4	2.38	297.4	35
Fluocinolone acetonide	11	67-73-2	1.96	453.5	35
Fluocinonide	12	356-12-7	3.29	495.5	30
Fluprednidene acetate	13	1255-35-2	1.52	433.5	30
Halcinonide	14	3093-35-4	3.92	456.0	20
Halometasone monohydrate	15	50629-82-8	2.04	445.9	19
Hydrocortisone acetate	16	50-03-3	1.92	405.5	40
Megestrol acetate	17	595-33-5	3.89	385.5	20
Methylprednisolone acetate	18	53-36-1	2.67	339.2	40
Mometasone furoate	19	83919-23-7	4.03	522.4	30
Prednisolone 17-valerate 21-acetate	20	72064-79-0	4.47	487.6	30
Triamcinolone acetonide	21	76-25-5	1.88	435.5	25
Carbamazepine^c	CBZ	298-46-4	1.10	237.3	45

Retention time.
^bCone Voltage.
^cInternal standard.