AB-CHMINACA DL-4-Hydroxy-3-methoxymandelic acid Ecgonine Risperidone (−)-11-hydroxy-Δ8-THC (−)-11-nor-9-carboxy-Δ8-THC (−)-11-nor-9-carboxy-Δ8-THC-d3 (-)-11-Nor-Δ9-THC- 9-carboxylic acid glucuronide (-)-Cotinine (-)-Delta-9-THC (THC) (-)-Delta-9-THC-D3 (-)-Ephedrine (-)-Pseudoephedrine (-)-Riboflavin (-)-Riboflavin-13C4,15N2 (Vitamin B2-13C4,15N2) (–)-Sitagliptin (-)-Δ8-THC (+)-9-Carboxy-11-nor-Delta-9-THC Glucuronide (+)-Anabasine (+)-Metoprolol (+)-Norpseudoephedrine (+)-Propoxyphene (+)-Pseudoephedrine (+)-Sodium L-ascorbate (+)-y-Tocopherol (±)-11-Hydroxy-Delta-9-THC (THC-OH) (±)-11-Hydroxy-Delta-9-THC-D3 (±)-11-nor-9-Carboxy-Delta-9-THC-D3 (±)-11-nor-9-Carboxy-Delta-9-THC-D9 (±)-11-nor-9-Carboxy-Δ9-THC-D3 (±)-3,4-Methylenedioxyamphetamine (MDA) (±)-3,4-Methylenedioxyamphetamine-D5 (±)-3,4-Methylenedioxyethylamphetamine (MDEA) (±)-3,4-Methylenedioxyethylamphetamine-D5 (±)-3,4-Methylenedioxymethamphetamine (MDMA) (±)-3,4-Methylenedioxymethamphetamine-D5 (±)-3-Methyl-2-oxovaleric acid sodium salt (±)-4-Methylephedrine (±)-Amphetamine (±)-Amphetamine-D11 (±)-Amphetamine-D5 (deuterium label on side chain) (±)-Baclofen (±)-Bupropion-D9 (±)-cis-3-methyl Fentanyl (±)-cis-3-methyl Norfentanyl (±)-Clopidogrel (±)-CP 47, 497-C8-Homolog (±)-CP 47,497 (±)-Desmethylsertraline (±)-Ethylphenidate (±)-Methadone-D3 (±)-Methamphetamine hydrochloride (±)-Methamphetamine-D5 (±)-N-desmethylvenlafaxine (±)-N-Methyl-3,4-methylenedioxyamphetamine HCL (±)-Nornicotine (±)-Norpropoxyphene-D5 (±)-Norverapamil (±)-Sulpiride (±)-UR-144 N-(4-hydroxypentyl) metabolite (±)-α-Carotene (±)-β-Hydroxythiofentanyl (13C, 2H3)-Sirolimus (13C, 2H4)-Tacrolimus (13C2, 2H4)-Everolimus (2H12)-Cyclosporine A (d,l)-9-Carboxy-11-nor-Delta-9-THC (l)-9-Carboxy-11-nor-Delta-9-THC (THC-COOH) (l)-Amphetamine (R)-(−)-3-Hydroxybutyric acid sodium salt (R)5F-ADB (R,S)-Norcotinine (S)-(−)-2-Hydroxyisocaproic acid (S)-(+)-2-Hydroxy-3-methylbutyric acid (S)-Efavirenz 10,11-Dihydro-10-Hydroxy-Carbamazepine 11(Z), 14(Z)-Eicosadienoic Acid 11-Deoxycorticosterone 11-Deoxycortisol 11-Ketotestosterone 11β-Hydroxytestosterone 13(Z)-Docosenoic Acid 17a-Hydroxypregnenolone 17a-Hydroxyprogesterone 17B-Estradiol 19-Norandrostenedione 1a-25-Dihydroxyvitamin D2 1a-25-Dihydroxyvitamin D3 1-demethyl Phenazolam 1-Methyl-L-histidine 1-Propanol 1S,2R(+)-Ephedrine 2-(2-Amino-5-bromobenzoyl)pyridine 2,3-Pyridinedicarboxylic acid 2,4-Dichlorophenoxyacetic Acid 2,5-Furandicarboxylic acid 21-Deoxycortisol 2-2'-Thiodiacetic Acid 24(R,S),25-Dihydroxy Vitamin D2 24(R,S),25-Dihydroxy Vitamin D3 25B NBOMe 25C NBOMe 25-Hydroxy Vitamin D2 25-Hydroxy Vitamin D3 25I-NBOMe 2-Amino-5-Chloropyridine 2-Butanone 2C-B 2C-I 2-Ethyl-3-hydroxy-6-methylpyridine (Emoxypine) 2-Ethyl-5-methyl-3,3-diphenylpyrroline (EMDP) 2-fluoro Deschloroketamine 2-Furoylglycine 2-Hydroxy Desipramine 2-Hydroxyethylflurazepam 2-Hydroxyphenylacetic acid 2-Mercaptoethanol 2-Mercaptopurine 2-methyl AP-237 2'-methyl Fentanyl 2-Methylcitric Acid 2-Oxo-3-Hydroxy-LSD 3- Dehydroepiandrosterone Sulfate (DHEAS) 3-(3-Hydroxyphenyl)-3-hydroxypropionic acid 3,4-Dihydroxyhydrocinnamic acid 3,4-Dihydroxyphenylacetic acid 3,4-Methylenedioxypyrovalerone (MDPV) 3,4-Methylenedioxy-α-Pyrrolidinobutiophenone 3-Bromo-1-propanol 3-Chloromethcathinone 3-Dehydroepiandrosterone (DHEAS) 3-epi-25-Hydroxyvitamin D3 3-hydroxy Flubromazepam 3-hydroxy PCP 3-Hydroxy-3-methylglutaric acid 3-Hydroxybromazepam 3-Hydroxyglutaric acid 3-Hydroxyphenazepam 3-Indolepropionic Acid 3-Indoxyl Sulfate 3-Methoxymethcathinone 3-Methoxytyramine 3-Methylglutaconic Acid 3-Methylglutaric acid 3-Methylhippuric Acid 3-Methyl-L-histidine 3-Methylmethcathinone 3-Methylxanthine 3-Oxoglutaric acid 3-Phenoxybenzoic Acid 3-Phenyllactic acid 3-Trifluoromethylphenylpiperazine 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol 4,4′-MDI 4,6-Dioxoheptanoic acid (Succinylacetone) 4-Aminobutyric Acid 4-Androsten-11β-ol-3,17-dione 4-ANPP 4-Chloroisobutyrylfentanyl 4-Chloromethcathinone 4-fluoro ABUTINACA 4-fluoro MDMB-BUTINACA 4-fluoro MDMB-BUTINACA butanoic acid metabolite 4-fluoro Phenibut 4-Fluoroamphetamine 4-Fluorobenzoyl Propionic Acid 4-Fluoro-isobutyryl Fentanyl 4-Fluoromethamphetamine 4-Fluoromethcathinone 4-Hydroxy Xylazine 4'-Hydroxydiclofenac 4-Hydroxyhippuric Acid 4-Hydroxyphenylacetic acid 4-Hydroxyphenylpyruvic acid 4'-methyl Acetyl fentanyl 4-Methyl-2-oxovaleric acid (α-Ketoisocaproic acid) 4-Methylethcathinone (4-MEC) 4-Pyridoxic acid 5-(p-Methylphenyl)-5-Phenylhydation 5a-Dhydrotestosterone 5alpha-Dihydrotestosterone (DHT) 5-fluoro ADBICA 5-fluoro ADB-PINACA 5-fluoro MDMB-PICA metabolite 7 5-Fluoro PB-22 5-Fluorocytosine 5-Fluorodihydropyrimidine-2,4-dione 5-Fluorouracil 5F-MDMB-PICA 5-Hydroxyindole-3-acetic Acid 5-Hydroxymethyl-2-furancarboxylic Acid 5-methoxy DMT 5-Methoxy-diisopropyltryptamine 6-Acetylcodeine (6-MAC) 6-Acetylmorphine-D3 6-Acetylmorphine-D6 6B-Naltrexol Hydrate 6-B-Naltrexol-3-B-D-Glucuronide 6-Desmethyl Papverine 6-Mercaptoguanosine 6-Mercaptopurine 6-Methylmercaptopurine riboside 6-Monoacetylmorphine (6-MAM) 6-Monoacetylmorphine-D3 6α-Methylprednisolone 6β-Hydrocodol 6β-Hydromorphol 6β-Hydroxy Dexamethasone 6β-Naltrexol 7-Aminoclonazepam 7-Aminoclonazepam-D4 7-Aminoflunitrazepam 7-Aminonimetazepam 7-Aminonitrazepam 7-Carboxy cannabidiol (7-COOH-CBD) 7-Hydroxy cannabidiol (7-OH-CBD) 7-Hydroxy Methotrexate 7-Hydroxy Quetiapine-d8 7-Hydroxyamoxapine 7-Hydroxychlorpromazine 7-Hydroxyfluphenazine 7-Hydroxymitragynine 7-Hydroxymitragynine-D3 7-Hydroxyquetiapine 8-Aminoclonazolam 8-Hydroxyamoxapine 8-Hydroxyloxapine 8-Methoxypsoralen 9-Hydroxyrisperidone 9-Hydroxyrisperidone-D4 a,a-Dimethyl-B-Methylsuccinimide a-Amylase AB-Fubinaca AB-PINACA Acebutolol Acesulfame K Acetaminophen Acetaminophen Glucuronide Acetaminophen-D4 Acetazolamide Acetic Acid Acetone Acetyl Fentanyl Acetyl Norfentanyl AcrylFentanyl Acyclovir ADB-5’Br-BINACA ADB-5’Br-PINACA ADB-5'Br-BUTINACA dimethylbutanoic acid metabolite ADB-BUTINACA ADB-BUTINACA N-(4-hydroxybutyl) metabolite ADB-FUBIATA ADB-FUBIATA 3,3-dimethylbutanoic acid metabolite ADBICA ADB-PINACA Adipic acid Adrenic Acid Adrenosterone AH-7921 a-Hydroxyalprazolam a-Hydroxyisobutyric Acid a-Hydroxymidazolam a-Hydroxytriazolam AKB48 N-(5-Hydroxypentyl) Metabolite Aldosterone Alectinib Alectinib M4 metabolite Alfentanil Alkaline Phosphatase all-cis-4,7,10,13,16-Docosapentaenoic Acid Allobarbital Alphenal Alprazolam Alprazolam-D5 Aluminum AM 2201 AM 2201 4-Hydroxypentyl Metabolite AM1248 AM2201 AM2201 4-Hydroxypentyl Metabolite AM2201 7-Hydroxyindole Metabolite AM694 AM694 N-(5-Hydroxypentyl) Metabolite Amantadine a-Methylfentanyl Amikacin Amino-Acid Standard Amiodarone Amisulpride Amitriptyline Amitriptyline-D3 Amlodipine Ammonia Ammonium Ammonium Acetate Amobarbital Amobarbital-D5 Amoxapine Amoxicillin Amphotericin B Androstenedione Androsterone Anhydroecgonine Methyl Ester Antimony Anti-Mullerian Hormone Human Antipyrine Apixaban Aprobarbital a-Pyrrolidinovalerophenone (α-PVP) Arachidic Acid Arachidonic Acid Argininosuccinic acid Aripiprazole Aripiprazole Metabolite Aripiprazole-D8 Arsenic Arsenic V Asenapine Atazanavir Atenolol a-Tocopherol Atomoxetine Atorvastatin Atovaquone Atropine Axitinib AZ 5104 Barbital Barium BB-22 B-Carotene BDB (hydrochloride) Beclomethasone Beclomethasone dipropionate Behenic Acid Benperidol Benzene Benzocaine Benzoylecgonine (BE) Benzoylecgonine-D3 Benzoylecgonine-D8 Benztropine Benzyl fentanyl Benzylfentanyl Benzylpiperazine (BZP) Beryllium Betaxolol BHT Bicarbonate Bile Salts Bilirubin Conjugate Biliverdin Binimetinib Biotin (Vitamin H) Biotin-(ring-6,6-d2) Bismuth Bisoprolol Bisphenol A Bisphenol A mono-B-D-Glucuronide BNP (1-32) Boldenone Boron Bovine Serum Albumin Brexpiprazole Brigatinib Brivaracetam Bromazepam Bromazolam Bromodichloromethane Bromoform Brompheniramine Brorphine Brotizolam Bumetanide Buphedrone Bupivacaine Buprenorphine Buprenorphine-3-B-D-Glucuronide Buprenorphine-D4 Bupropion Buspirone Buspirone-D8 HCl Busulfan Butabarbital Butabarbital-D5 Butalbital Butalbital-D5 Butethal Butonitazene Butorphanol Butylone Butyryl norfentanyl Butyrylfentanyl Cadmium Caffeine Calcium Candesartan Cannabicitran (CBT) Cannabidiol (CBD) Cannabidiol-D3 Cannabidivarin (CBDV) Cannabigerol (CBG) Cannabinol (CBN) Carbamazepine (CBZ) Carbamazepine-10, 11-Epoxide Carbidopa Carbinoxamine Carfentanil Oxalate Cariprazine Cariprazine-d6 Cariprazine-D8 Carisoprodol Carisoprodol (CRM) Carisoprodol-D7 Caspofungin Cathinone Ceftazidime Celecoxib Celiprolol Cemitidine Cephalexin Cesium Cetirizine Chenodeoxycholic acid Chloral Hydrate Chloramphenicol Chlordiazepoxide Chloroquine Chlorpheniramine (CP, CPM) Chlorpromazine (CPZ) Chlorprothixene Cholesterol Cholic acid Chondroitin sulfate A sodium salt Chorionic gonadotropin human CH-PIATA CH-PIATA N-pentanoic acid metabolite Chromate Chromium III Cibenzoline cis-(Z)-Flupenthixol cis-11-Eicosenoic Acid cis-Tramadol-13C, D3 cis-Vaccenic Acid Citalopram Citalopram-D6 Citric Acid CK-MB Clobazam Clofarabine Clomipramine Clonazepam Clonazepam-D4 Clonazolam Clonidine Clonitazene Clopidogrel Carboxylic Acid Clozapine Clozapine-D4 Cobalt Cobimetinib Cobozantinib Cocaethylene Cocaine Cocaine-D3 Codeine Codeine-6-B-D-Glucuronide Codeine-D3 Codeine-D6 Coenzyme Q10 Colchicine Complement C3 Copper Coproporphyrin I Corticosterone Cortisol (Hydrocortisone) Cortisone Cotinine-D3 Creatine Kinase Creatinine Crizotinib Crotonyl Fentanyl CRP Cyamemazine Cyclizine Cyclobenzaprine Cyclobenzaprine-D3 Cyclopropyl Fentanyl Cyclosporine A Cystathionine D-(-)-Citramalic Acid (lithium salt) D-(−)-Tartaric acid D-(+)-Galactose D-(+)-Glucose D-(+)-Trehalose d,l-4-Methylamphetamine d,l-Amphetamine d,l-HMMA D,L-Kavain d,l-MBDB d,l-Metanephrine d,l-Methadone Primary Metabolite (EDDP) d,l-Methamphetamine d,l-Methcathinone d,l-Norephinephrine d,l-Normetanephrine D6-25-Hydroxyvitamin D3 Dabigatran Dabrafenib d-Amphetamine Darunavir Dehydro Aripiprazole Dehydroepiandrosterone (DHEA) Dehydronorketamine Delorazepan Demoxepam Denatonium Benzoate Deoxycholic acid Desacetyl diltiazem Desalkylflurazepam Deschloroetizolam Desipramine Desipramine-D3 Desmethyldoxepin Desmethylfluvoxamine Desmethylmaprotiline Desomorphine Dexamethasone Dextran Dextromethorphan (DMX) Dextropropoxyphene Dextrorphan Dextrorphan-B-D-O-Glucuronide D-Fucose D-Glyceric acid calcium salt dihydrate Diazepam Diazepam-D5 Dibromochloromethane Dibutylone Dichloromethane Diclazepam Diclofenac Diethyl Hydrogen Phosphate Diethylene Glycol Diethylpropion Digitoxin Digoxin Dihomo-γ-Linolenic Acid Dihydrocodeine Dihydrocodeine-6-B-Glucuronide Dihydrokavain Dihydromorphine Diltiazem Diltiazem-[d4] Hydrochloride Dimethadione Dimethyl Phosphate Dimethylarsinic Acid Diphenhydramine Disodium hydrogen phosphate Disopyramide PO4 DL-2-Hydroxybutyric acid sodium salt DL-3-Aminoisobutyric acid DL-3-Indolelactic Acid DL-5-Hydroxylysine DL-B-Hydroxybutyric Acid DL-Dithiothreitol DL-Kynurenine DL-Lactic Acid DL-p-Hydroxyphenyllactic acid D-Mannose d-Methamphetamine d-Norpropoxyphene Docosahexaenoic Acid Docosapentaenoic Acid Donepezil Dopamine Dothiepin Doxepin Doxylamine D-Pantothenic Acid Duloxetine Duloxetine-D3 Duloxetine-d7 Dyphylline Ecgonidine Ecgonidine Methyl Ester Ecgonine Ecgonine Methyl Ester Ecgonine methyl ester-D3 EDDP-D3 Edoxaban EDTA Disodium Salt Eicosapentaenoic Acid Elvitegravir Encainide Encorafenib Ephinephrine Epinephrine Epitestosterone Escitalopram Estazolam Estriol Estrone Eszopiclone Ethambutol Ethanol Ethanolamine Ethchlorvynol Ethinamate Ethosuximide Ethotoin Ethyl Acetate Ethyl Sulfate Ethyl Sulfate (EtS) Ethyl-B-D-Glucuronide (EtG) Ethylbenzene Ethyl-D5 sulfate Ethylene Glycol Ethylene Glycol Diacetate Ethylmalonic acid Ethylmorphine Ethylone Ethyl-β-D-glucuronide-D5 Etizolam Etodesnitazene Etomidate Etonitazene Etonogestrel Etravirine Eutylone Everolimus Extraction Buffer Felbamate Fenethylline Fenfluramine Fenproporex Fentanyl Fentanyl-D5 Ferric Ferritin Fexofenadine Flecainide Flualprazolam Flubromazepam Flubromazolam Fluconazole Fludarabine Fludrocortisone Flunitrazepam Fluoxetine Fluoxetine-D6 oxalate Fluphenazine Fluphenazine-D8 diHCl Flupirtine Flurazepam Flurbiprofen Flutoprazepam Fluvoxamine Folic Acid Follicle Stimulating Hormone (FSH) Formaldehyde Formoterol FUB-PB-22 Fumaric acid Furanylethyl fentanyl Furanylfentanyl Furosemide Gabapentin Gabapentin-13C3 Gabapentin-D10 Gadolinium Gammahydroxybutyric Acid (GHB) Ganciclovir Gelatin from porcine skin Gentamicin GHB (sodium salt) Gliclazide Glipizide Glutamic-Oxalacetic Transaminase Glutamic-Pyruvic Transaminase Glutaric acid Glutethimide Glyburide Glycerol Glycine Glycogen Glycogen (from bovine liver) Glycolic acid Gold Guaifenesin Halazepam Haloperidol Haloperidol Reduced Metabolite II Haloperidol-D4 Haptoglobin Hemoglobin Heptacarboxylporphyrin I Heroin Hexacarboxylporphyrin I Hexacosanoic Acid Hexamethylene diisocyanate Hexobarbital High Density Lipoprotein Hippuric acid Homogentisic acid Homovanillic Acid HPLC GRADE WATER HSA HU-210 Human Plasma Gamma Globulin Human Serum Albumin Human Serum Transferrin Hyaluronic acid Hydrochlorothiazide Hydrocodone Hydrocodone Bitartrate Hydrocodone-D3 Hydrocodone-D6 Hydrocortisone Hydromorphone Hydromorphone 3-B-D-Glucuronide Hydromorphone-D3 Hydromorphone-D6 Hydroquinidine Hydroxybupropion Hydroxybupropion-D6 Hydroxychloroquine Hydroxyitraconazole Hydroxyzine Hypoxanthine Ibuprofen IgA from human colostrum IgG from human serum IgM from human serum Iloperidone Imatinib Imipramine Imipramine-D3 maleate Indole-3-Acetic Acid Indole-3-acetic acid Sodium Salt Indomethacin Infliximab Iodine Iohexol Iotalamic Acid Irbesartan Iron (Fe) Isavuconazole Isobutyryl Fentanyl Isoniazid (Izoniazide) Isophorone diisocyanate Iso-Propanol Isotonitazene Itraconazole JWH 018 4-Hydroxypentyl Metabolite JWH 018 5-Pentanoic acid Metabolite JWH 018 5-Pentanolic acid Metabolite JWH 018 N-(5-Hydroxypentyl) B-D-Glucuronide JWH 018 N-pentanoic acid metabolite-d5 JWH 018-5-Hydroxypentyl Metabolite JWH 019 JWH 019 6-Hydroxyhexyl Metabolite JWH 073 JWH 073 3-Hydroxybutyl Metabolite JWH 073 4-Butanoic acid Metabolite JWH 073 N-(4-Hydroxybutyl) Metabolite JWH 081 JWH 122 JWH 122 4-Hydroxypentyl Metabolite JWH 122 5-Hydroxypentyl Metabolite JWH 200 JWH 200 5-hydroxyindole metabolite JWH 200 6-hydroxyindole metabolite JWH 200 7-Hydroxyindole Metabolite JWH 203 4-chlorophenyl isomer JWH 203 N-(5-Hydroxypentyl) Metabolite JWH 210 JWH 210 4-Hydroxypentyl Metabolite JWH 210 5-Hydroxypentyl Metabolite JWH 210 N-(5-Carboxypentyl) Metabolite JWH 250 JWH 250 4-Hydroxypentyl Metabolite JWH 250 5-Hydroxypentyl Metabolite JWH 250 N-(5-Carboxypentyl) Metabolite JWH 398 JWH 398 N-(4-Hydroxypentyl) Metabolite JWH 398 N-pentanoic acid metabolite JWH-018 JWH-018 N-(4-hydroxypentyl) JWH-019 5-Hydroxyhexyl metabolite JWH-073 JWH081N-(5-hydroxypentyl) metabolite JWH-122 4-Hydroxypentyl metabolite-D5 K2EDTA Kanamycin A Ketamine Ketamine-D4 Ketobemidone Ketoconazole Ketorolac Kynurenic acid L-(+)-Arabinose L-2-Aminoadipic acid L-2-Aminobutyric acid Labetalol Lacosamide Lactate Dehydrogenase Lactoferrin from bovine milk Lactoferrin Recombinant Human Lactose L-Alanine L-allo-Isoleucine Lamotrigine Lamotrigine-13C3 L-Anserine L-Arginine L-Ascorbic Acid L-Ascorbic Acid (Vitamin C)-13C6 L-Asparagine L-Aspartic Acid L-Carnosine L-Citrulline L-Cysteic acid L-Cysteine L-Cystine Lead (Pb) Leflunomide Lercanidipine Levamisole Levetiracetam Levodopa Levomepromazine Levorphanol L-Glutamic Acid L-Glutamine L-Histidine L-Homocystine Lidocaine Lignoceric Acid Linoleic Acid Lipase Lisdexamfetamine Lisinopril L-Isoleucine Lithium Lithium acetoacetate L-Lactic Acid L-Leucine L-Lysine l-Methamphetamine L-Methionine L-Methionine sulfoxide L-Norleucine L-Norvaline Loperamide Lopinavir Loratadine Lorazepam Lorazepam Glucuronide Lorazepam-D4 Lorlatinib Lormetazepam L-Ornithine Losartan Lovastatin Lovastatin Hydroxy Acid Low Density Lipoprotein Loxapine L-Phenylalanine L-Proline L-Pyroglutamic acid L-Serine L-Threonine L-Thyroxine L-Tryptophan L-Tyrosine Lurasidone Lurasidone HCl – 1.0 mg/mL Lutein Luteinizing Hormone L-Valine Lycopene Lysergic Acid Diethylamide (LSD) Lysozyme Magnesium Malonic acid MAM-2201 MAM2201 N-Pentanoic Acid Metabolite Manganese Maprotiline Mavacamten Mazindol MDAI MDMB-4en-PINACA MDMB-4en-PINACA butanoic acid metabolite MDMB-BUTINACA MDMB-BUTINACA butanoic acid metabolite Meclizine Meclonazepam Meconin Medazepam Medetomidine Mefenamic Acid Melanin Meloxicam Melperone Melphalan Memantine Meperidine Meperidine-D4 Mephedrone Mephenytoin Mephenytoin Metabolite Mephobarbital Mepivacaine Meprobamate Meprobamate N-B-D-Glucuronide Meprobamate-13C3 Meprobamate-D3 Meprobamate-D7 Mercury Mescaline Mesoridazine Besylate Mesterolone meta-Chlorophenylpiperazine meta-methyl-Methoxyacetyl Fentanyl Metandienone Metaxalone Metformin Methadone Methadone-D3 Methadone-D9 Methandrostenolone Methanol Methaqualone Metharbital Methazolamide Methedrone Methenolone Enanthate Methocarbamol Methohexital Methotrexate Methotrexate impurity E Methoxetamine Methoxyacetyl Fentanyl Methsuximide Methyl Arsonic Acid Methyl4-(cyanomethyl)benzoate Methyl-B-cyclodextrin Methyldora Methylephedrine Methylhexanamine Methylmalonic Acid Methylmercury (II) Methylone Methylphenidate Methylphenidate-D9 Methylsuccinic acid Methyprylon Methysticin Metizolam Metoclopramide Metonitazene Metoprolol Mexiletine m-Hydroxybenzoylecgonine Mianserin Midazolam Milnacipran Mirtazapine Mirtazapine-D3 Mitotane Mitragynine Mitragynine-D3 MN-25 Moclobemide Modafinil Modafinil Acid Modecainide Molindone Molybdenum Monoethyl Phthalate Monoethylglycinexylidide (MGEX) Morphine Morphine base monohydrate Morphine-3-B-D-Glucuronide Morphine-6-B-D-Glucuronide Morphine-D3 Morphine-D6 MT-45 Mucin Mycophenolate Mofetil Mycophenolic Acid Mycophenolic Acid Glucuronide Myoglobin Myristic Acid Myristoleic Acid N,N-Dimethylpentylone N,N-Dimethyltryptamine N,N-DMT N-oxide N-Acetyl-D-glucosamine N-Acetyl-L-aspartic acid N-Acetyl-L-cysteine N-Acetylneuraminic acid N-Acetylprocainamide N-Acetyl-S-Phenyl-L-Cystine Nadolol Nalbuphine Nalmefene Nalorphine Naloxone Naloxone-3-B-D-Glucuronide Naloxone-D5 Naltrexone Naltrexone-3-B-D-Glucuronide Naltrexone-D3 Nandrolone Nandrolone Decanoate Nandrolone phenylpropionate Naphyrone Naproxen N-Demethyltramadol N-desethyl Etonitazene N-desethyl Isotonitazene N-desethyl Protonitazene N-desethyl Sunitinib N-Desethylamiodarone N-Desmethyl Diphenhydramine N-Desmethyl Loperamide N-desmethyl Olanzapine N-desmethyl U-47700 N-Desmethyl-cis-Tramadol N-Desmethylcitalopram (Norcitalopram) N-Desmethylclobazam N-Desmethylclomipramine N-Desmethylclozapine (Norclozapine) N-Desmethylcyamemazine N-Desmethyldiltiazem N-Desmethylflunitrazepam (Norflunitrazepam) N-Desmethylmirtazapine N-Desmethylolanzapine N-Desmethylsertraline N-Desmethyltapentadol N-Desmethyltrimipramine N-Desmethylzopiclone Nebivolol Nefazodone Nervonic Acid N-Ethylpentylone Nevirapine Nicardipine Nickel Nicotinamide (Niacinamide) Nicotinamide (Niacinamide)-13C6 (Vitamin B3-13C6) Nicotine Nicotinic Acid Nicotinic acid (Niacin)-13C6 (Vitamin B3-13C6) Nicotinuric Acid Nifedipine Nifoxipam Nimetazepam N-Isovalerylglycine Nitisinone Nitrazepam Nitrazolam Nitric Acid Nitrite N-Lauroylsarcosine Norbuprenorphine Norbuprenorphine Glucuronide (N3G) Norbuprenorphine-D3 Norcarfentanil Norchlorcyclizine Norchlordiazepoxide Norcocaine Norcodeine Norcyclobenzaprine (Desmethylcyclobenzaprine) Nordiazepam Nordiazepam-D5 Nordothiepin Norfentanyl Norfentanyl-D5 Norfluoxetine Norhydrocodone Norhydrocodone-D3 Norhydromorphone Norketamine Norketamine-D4 Normeperidine Normeperidine-D4 Normethsuximide Normianserin Normorphine Noroxycodone Noroxycodone-D3 Noroxymorphone Noroxymorphone Glucuronide Norquetiapine Nortilidine Nortriptyline Nortriptyline-D3 nor-W-18 Noscapine N-Propionylglycine N-Pyrrolidino Etonitazene N-Pyrrolidino Isotonitazene N-Pyrrolidino Protonitazene NT-proBNP Ocfentanil O-Desmethyl Encainide O-Desmethyl-cis-Tramadol O-Desmethyl-cis-tramadol-D6 O-Desmethyldiltiazem O-Desmethylencainide O-Desmethylvenlafaxine o-Fluorofentanyl o-Hydroxyhippuric acid Olanzapine Olanzapine-d3 Oleic Acid O-Phospho-L-serine O-Phosphorylethanolamine Opipramol Orotic acid potassium salt Orphenadrine ortho-Fluorobutyryl fentanyl Osimertinib Oxalic Acid Oxazepam Oxazepam Glucuronide Oxazepam-D5 Oxcarbazepine Oxycodone Oxycodone-D3 Oxycodone-D6 o-Xylene Oxymorphone Oxymorphone-3-B-D-Glucuronide Oxymorphone-D3 Palladium Palmitic Acid Palmitoleic Acid Pantothenic acid-13C3,15N Papaverine para-Fluorobutyryl Fentanyl para-Fluorofentanyl Paroxetine Paroxetine-D6 Pazopanib PB-22 Pentanoic Acid Metabolite p-Cresol Pentacarboxylporphyrin I Pentazocine Pentedrone Pentobarbital Pentylone Perampanel Perazine Perhexiline Perindopril Perindoprilat Perphenazine PEth 16:0/18:1 PEth 16:0/18:2 Phenacetin Phenazepam Phencyclidine (PCP) Phencyclidine-D5 Phendimetrazine Phenibut Pheniramine Phenmetrazine Phenobarbital Phenobarbital-D5 Phentermine Phenylephrine Phenylglyoxylic Acid Phenylpropanolamine Phenyltoloxamine Phenymalonamide Ethyl Phenytoin Pholcodine Phosphate Phosphate-buffered saline 10x concentrate Phosphorus Pentachloride p-Hydroxymethamphetamine Pindolol Pioglitazone Pipamperone Piritramide Pitavastatin Platinum p-Methoxyamphetamine PMMA (p-Methoxymethamphetamine) Porphobilinogen Posaconazole Potassium Potassium Cyanate Potassium Oxalate Potassium Phosphate Dibasic Potassium Phosphate Monobasic Prazepam Prednisolone Prednisone Pregabalin Pregabalin-D6 Pregnenolone Prilocaine Primidone Probenecid Procainamide Proclin 300 Proclin 950 Procyclidine Progesterone Promazine hydrochloride Promethazine Promethazine-d6 Hydrochloride Propafenone Propofol Propofol β-D-glucuronide Propoxyphene Propranolol Propylene Glycol Prostate Specific Antigen Prothipendyl Protonitazene Protoporphyrin IX Protoporphyrin IX Zinc (II) Protriptyline PSI-6206 Psilocin Psilocybin p-Xylene Pyrazinamide Pyrazolam Pyridine Pyridinium Pyridoxal 5'-phosphate (Vitamin B6) Pyridoxal-d5 5'-Phosphate Pyridoxic Acid Pyrilamine Pyruvic Acid Quazepam Quetiapine Quetiapine carboxylic acid Quetiapine Sulfoxide Quetiapine-D8 hemifumarate Quinidine Quinine R(-) Mandelic Acid R,R(-)-Pseudoephedrine rac Diacetolol Raltegravir Ramelteon Ramipril Ramiprilat Ranitidine RCS-4 RCS-4 M9 metabolite RCS-4 N-(4-Hydroxypentyl) Metabolite RCS-4 N-(5-Carboxypentyl) Metabolite RCS-4 N-(5-Hydroxypentyl) Metabolite RCS-8 RCS-8 4-methoxy Isomer Reboxetine Recombinant Albumin,Cellastim Recombinant Albumin-DX LR Remdesivir Remifentanil Remifentanil acid Retinol Retinyl Palmitate Reverse T3 Ribavirin Rifampicin Rilpivirine Risperidone Risperidone-D4 Ritalinic Acid Ritonavir Rivaroxaban RO 2433 Ropivacaine Rosuvastatin Rubidium Rufinamide S(-)-Methcathinone Salbutamol Salicylic Acid Salvinorin A Sarcosine Scopolamine Sebacic acid Secobarbital Secobarbital-D5 Selegiline Selenium Serotonin Sertindole Sertraline Sertraline-D3 Silicon Silver Simvastatin Sirolimus Sisomicin Sodium Sodium 3-methyl-2-oxobutyrate Sodium 4-hydroxybenzoate Sodium 4-methyl-2-oxovalerate Sodium Acetate Sodium azide Sodium Bisulfite Sodium Bromide Sodium Carbonate Sodium decanedioate Sodium Dichromate Dihydrate Sodium Fluoride Sodium fumarate dibasic Sodium Iodide Sodium Oxalate Sodium phenylpyruvate Sodium phosphate Diabasic Sodium Phosphate Monobasic Sodium pyruvate solution Sodium Sulfate Sorafenib Sorafenib N-Oxide Sotalol S-Phenylmercapturic Acid Spironolactone Stannous Stanozolol Stearic Acid Stercobilin Stiripentol Streptomycin Strontium Strychnine Suberic acid Succinic acid Sucrose Sufentanil Sulfadiazine Sulfamic Acid Sulfanilamide Sulfapyridine Sulfarmethoxazole Sulfisoxazole Sulfur Sulthiame Sumatriptan Sunitinib Suvorexant Tacrolimus Talbutal Tapentadol Tapentadol-B-D-Glucuronide Tapentadol-D3 Tapentadol-O-Sulfate Taurine Tellurium Temazepam Temazepam Glucuronide Temazepam-D5 Terbutaline Teriflunomide Testosterone Testosterone 17-benzoate Testosterone Acetate Testosterone Cypionate Testosterone Decanoate Testosterone Enanthate Testosterone Isocaproate Testosterone Phenylpropionate Testosterone Propionate Tetrahydrocannabivarin (THCV) Tetrahydrocannabivarinic Acid Tetrahydrofuran Fentanyl Tetrazepam Thallium THCA-A Thebaine Theobromine Theophylline THF Thiamine (Vitamin B1) Thiamine Pyrophosphate Thiamine-13C3 (Vitamin B1-13C3) Thiamphenicol Thimerosal Thiocyanate Thiofentanyl Thiopental Thioridazine Thio-Tepa Thiothixene THJ2201 Thrombin Thymine, 99% Thyroglobulin Thyroid Stimulating Hormone Tiagabine Tianeptine Sodium Salt Hydrate Tiglyl glycine Tilidine Tin Tipranavir Titanium Tivozanib Tizanidine Tobramycin Tocainide Toluene Tolylene-2,4-diisocyanate Topiramate Total Protein Reagent Total T3 Tramadol Trametinib trans, trans-Muconic Acid trans-3'-Hydroxy Cotinine trans-4-Hydroxy-L-proline trans-Aconitic acid Tranylcypromine Trazodone Trazodone-D6 Trenbolone Triamcinolone Acetonide Triamcinolone Hexacetonide Triamterene Triazolam Tricarballylic acid Triethylenephosphoramide (Tepa) Trifluoperazine Triglyceride Trihexyphenidyl Trimeprazine (Alimemazine) Trimethoprim Trimipramine Tripelennamine Trisodium Citrate Dihydrate Triton X-100 Trizma base Troponin I Troponin T Tungsten U-47700 U-48800 U-49900 U-51754 UR-144 UR-144 5-Hydroxy Metabolite UR-144 5-Pentanoic Acid Metabolite Uracil Uranium Urea Uric Acid Uric Acid (Sodium Salt) Urobilin Urobilinogen Uroporphyrin I Ursodeoxycholic acid Valeryl Fentanyl Valproic Acid Valsartan Vanadium Vancomycin Vanilmandelic Acid (VMA) Vemurafenib Venlafaxine Venlafaxine-D6 Verapamil Vigabatrin Vilazodone Vitamin B12 Vitamin K1 Voriconazole Vortioxetine W-18 W-19 Warfarin Xanthine XLR-11 XLR-11 (5-Fluoro-UR-144) XLR-11 4-Hydroxypentyl Metabolite Xylazine Yangonin Y-Valerolactone Zaleplon Zinc Ziprasidone Ziprasidone-D8 HCl Zolmitriptan Zolpidem Zolpidem Phenyl-4-Carboxylic Acid Zolpidem-D6 Zolpidem-D7 Zonisamide Zopiclone Zopiclone-N-Oxide Zotepine Zuclopenthixol α-Amylase α-hydroxy Bromazolam α-hydroxy Flualprazolam α-hydroxy Flubromazolam α-Hydroxyalprazolam-D5 α-Hydroxyetizolam α-Hydroxymidazolam α-Ketoglutaric acid α-Keto-γ-(methylthio)butyric acid sodium salt α-Linolenic Acid α-methyl Acetyl fentanyl α-Pyrrolidinohexanophenone β-Alanine β-Cryptoxanthin β-Hydroxyisovaleric acid γ-Glutamyltranspeptidase γ-Linolenic Acid
g/dL g/L mg/dL mg/L mg/mL mL/L mmol/L mmol/mL ng/dL ng/mL nmol/L nmol/mL pg/dL pg/L pg/mL pmol/L pmol/mL ug/dL ug/L ug/mL umol/L umol/mL