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. 2019 Oct 21;16(20):4022. doi: 10.3390/ijerph16204022

Table 1.

Derivatized pharmaceutical and personal care GC-MS products obtained by injecting target standards.

Target Analytes TMS Derivative Type Chemical Formula Trimethylsilyl (TMS) Retention Time Minutes Fragment Pattern TMS Derivative (m/z) Selected Ion Monitored (m/z) Similarity Index
Methamphetamine Illicit drug C10H15N 5.450 58, 91, 134, 148 58, 91 84
Salicylic acid NSAID C7H6O3 6.345 73, 135, 193, 209, 267 135, 267 82
Acetylsalicylic acid NSAID C9H8O4 6.467 65, 73, 120, 195, 210, 268 120, 195 95
Nalidixic acid Antibiotic C12H12N2O3 6.914 73, 116, 162, 180, 236, 301 180, 236 89
Ibuprofen NSAID C13H18O2 7.105 73, 117, 160, 191, 263, 278 117, 160 80
Propylparaben Antifungal agent C10H12O3 7.458 73, 116, 162, 180, 236, 301, 251 162, 236 80
Phenacetin Analgesic C10H13NO2 7.800 53, 109, 137, 179, 209 109, 179 96
Acetaminophen NSAID C8H9NO2 8.000 73, 106, 166, 181, 223 181, 223 88
Phenoxyphenol Standard C12H10O2 8.250 73, 122, 150, 185, 258 150, 258 91
Morphine Opioid analgesic C17H19NO3 8.450 75, 103, 119, 174, 204, 232, 285 232, 204 81
Caffeine Stimulant C8H10N4O2 8.912 109, 194 109, 194 81
Naproxen NSAID C14H14O3 10.685 173, 41, 185, 243, 302 185, 243 88
procaine Anaesthetic C13H20N2O2 10.950 58, 86, 164 58, 86 81
Triclosan Disinfectant C12H7Cl3O2 11.250 109, 185, 200 109, 200 95
Meclofenamic acid NSAID C14H11Cl2NO2 11.990 73, 152, 208, 223, 313, 180 223, 313 95
Ketoprofen NSAID C16H14O3 12.105 73, 105, 165, 179, 253, 282, 311 282, 311 88
Diclofenac NSAID C14H11Cl2NO2 12.806 73, 93, 151, 214, 277, 367 214, 367 91
Carbamazepine Anticonvulsant C15H12N2O 13.654 63, 96, 165, 193, 236 193, 236 88
Chloramphenicol Antibiotic C11H12Cl2N2O5 13.921 73, 93, 147, 208, 225, 361, 451 208, 225 82
Cocaine Illicit drug C17H21NO4 14.530 77, 82, 152, 182, 272, 303 82, 182 91
Procainamide Transformation C11H26NO2 15.450 85, 99, 192 86, 99 88
2-phenylindolizine Metabolite C14H11N 15.960 63, 96, 165, 193 165, 193 80
Sulfamethoxazole Antibiotic C10H11N3O3S 16.500 65, 92, 156, 189, 253 92, 156 91
Chlorpromazine Antipsychotic C17H19ClN2S 17.605 58, 214, 232, 272, 315 58, 214 94
Lactose Metabolite C36H86O16 18.560 73, 103, 147, 204, 243, 319, 521 204, 243 81
Sulfamethazine Antibiotic C12H14N4O2S 20.052 92, 108, 156, 213, 277 92, 213 95
Clozapine Antipsychotic C18H19ClN4 21.750 70, 99, 164, 192, 243, 268, 326 192, 243 93