'benzoylecgonine' can also refer to...



Prediction of Impairment from Urine Benzoylecgonine Concentrations

Rapid Detection of Benzoylecgonine in Vitreous Humor by Enzyme Immunoassay*

Cocaine, Benzoylecgonine Amphetamine, and N-Acetylamphetamine Bincling to Melanin Subtypes*

Formation of Benzoylecgonine Isopropyl Ester Following Solid-Phase Extraction

Elimination Half-Lives of Benzoylecgonine and MDMA in an Apprehended Driver

Rapid Analysis of Benzoylecgonine in Urine by Fast Gas Chromatography-Mass Spectrometry*

HPLC Determination of Cocaine and Benzoylecgonine in Plasma and Urine from Drug Abusers

Liquid Chromatographic Determination of Cocaine, Benzoylecgonine, and Cocaethylene in Whole Blood and Serum Samples with Diode-Array Detection

The Determination of Cocaine, Benzoylecgonine, and Cocaethylene in Small-Volume Oral Fluid Samples by Liquid Chromatography-Quadrupole-Time-of-Flight Mass Spectrometry

Vitreous Fluid Quantification of Opiates, Cocaine, and Benzoylecgonine: Comparison of Calibration Curves in Both Blood and Vitreous Matrices with Corresponding Concentrations in Blood

Validation of Analysis of Amphetamines, Opiates, Phencyclidine, Cocaine, and Benzoylecgonine in Oral Fluids by Liquid Chromatography-Tandem Mass Spectrometry

A Validated Liquid Chromatography-Atmospheric Pressure Chemical Ionization-Tandem Mass Spectrometry Method for Quantitation of Cocaine and Benzoylecgonine in Human Plasma

Extraction of Benzoylecgonine from Urine Specimens with Cerex Polycrom™ Clin II Solid-Phase Extraction Columns and the Speedisk™ Pressure Processor*

Evaluation of a Solid-Phase Extraction Method for Benzoylecgonine Urine Analysis in a High-Throughput Forensic Urine Drug-Testing Laboratory*

Quantitation of Cocaine, Benzoylecgonine, Cocaethylene, Methylecgonine, and Norcocaine in Human Hair by Positive Ion Chemical Ionization (PICI) Gas Chromatography-Tandem Mass Spectrometry

Analysis of Benzoylecgonine in Dried Blood Spots by Liquid Chromatography-Atmospheric Pressure Chemical Ionization Tandem Mass Spectrometry*†

Concentrations of Cocaine and Benzoylecgonine in Femoral Blood from Cocaine-Related Deaths Compared with Venous Blood from Impaired Drivers


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Quick Reference

A primary metabolite of cocaine, used in drug testing. It can be detected in the urine up to 48 hours after taking cocaine. BZ is tested for by immunoassay or by gas chromatography/mass spectrometry.

Subjects: Chemistry.

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