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

Understanding cocaine and metabolites urinary excretion following smoking is important for interpretation of urine test results in judicial, workplace and ...

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://lagunatreatment.com/cocaine-abuse/combined-with-other-substances/

3 days ago ... Metabolites for cocaine have half-lives that range from about 15 hours to over 50 hours, and they can be detected in urine for much longer.

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

Benzoylecgonine (BZ) and ecgonine methyl ester (EME) are the most abundant metabolites of over 11 metabolites of cocaine as shown in Fig. 17.1 [10–13].

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

Cocaine drug tests work not by searching for the presence of cocaine, but for proof that the body has recently metabolized (proving the ingestion of) cocaine.

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

Thus, mean cocaine metabolite detection times were consistent with prolonged elimination, with 63% of participants testing positive longer than the expected ...

https://delphihealthgroup.com/cocaine/how-long-drug-test/

However, what a drug test looks for is the presence of the benzoylecgonine, an inactive metabolite that has a longer half-life than cocaine. This is why tests can ...