Products MTA-12 and Custom Arrays Assay Principle & Procedure Product Specifications for: MTA-12 / Custom Arrays Amphetamine Barbiturates Benzodiazepines Buprenorphine Cannabinoids Cocaine Fentanyl Ketamine MDMA Methadone Methamphetamine Opiates Oxycodone Phencyclidine Propoxyphene Tramadol Tricyclic Antidepressants

MTA-12™ : Propoxyphene The MTA-12™ assay for propoxyphene is designed to detect certain structurally related compounds and to avoid detecting others, as shown here. Of the 164 compounds tested, only the following compounds exhibited cross reactivity relative to the level of d-propoxyphene (ng/mL) given below: Concentration (d-Propoxyphene - ng/mL) Compounds 10 25 50 Norpropoxyphene 2.1 6.1 11.2 Promethazine 35,500 >50,000 >50,000