https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5573903/

Cocaine is a common drug of abuse. To detect its use, a screening detection concentration for the cocaine metabolite benzoylecgonine is commonly set at 150 ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3128807/

Peak urine cocaine concentrations of 300 to 24,000 ng/mL were reached in less than 1 h. Peak urine benzoylecgonine (BE) concentrations ranged from 8100 to ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3159558/

Urinary excretion of ecgonine (EC) was compared to that of cocaine, benzoylecgonine, ecgonine methyl ester and minor metabolites, ...

https://www.sciencedirect.com/topics/neuroscience/benzoylecgonine

Cocaine is detected in urine by identification of benzoylecgonine, an inactive metabolite of cocaine. In contrast to amphetamine immunoassays, which are ...

https://www.labcorp.com/test-menu/22856/cocaine-metabolite-screen-and-confirmation-urine

Cocaine is a highly abused drug that is most frequently detected in the urine as the metabolite benzoylecgonine and usually as part of a multiclass drug profile.

https://deserthopetreatment.com/cocaine-abuse/stay-in-system/

Apr 15, 2019 ... When a person consumes cocaine, the liver primarily converts it to the metabolites benzoylecgonine and ecgonine methyl ester.

https://academic.oup.com/jat/article/17/3/138/711183

Abstract. Two methods of drug detection, urinalysis and hair analysis, were compared with respect to the efficiency of identification of drug use in a populati.

https://addictionresource.com/drug-testing/cocaine-testing/

Benzoylecgonine, on the other hand, stays in the system much longer and can be ... 5 to 7 days for traces of cocaine metabolites to start accumulating in the hair.

https://academic.oup.com/jat/article-pdf/26/7/393/2090069/26-7-393.pdf

acute low-dose cocaine studies. Here we report urinary excretion patterns of cocaine metabolites as benzoylecgonine (BE) equivalents from 18 of the same ...

https://www.adt-healthcare.com/blog/post/how-long-cocaine-stay-in-urine/

Nov 22, 2017 ... Benzoylecgonine is known as cocaine's main metabolite. Benzoylecgonine remains in your urine for longer periods than other metabolites ...