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Benzoylecgonine Detection in Urine

Discussion in 'Drug testing discussion' started by metalupyour455, Feb 8, 2012.

  1. metalupyour455

    metalupyour455 Silver Member

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    My friend is currently being drug tested, but not too often. This is what he currently understands from what he has read around the internet and these forums: cocaine stays detectable in urine for up to 72 hours after use, but the metabolite benzoylecgonine stays for a much longer time. Some sources indicate that this can be up to 30 days, but my friend was hoping that was for daily users. My friend has not used cocaine for well over 3 months. Here is an approximate description as these factors probably will affect the detection time of the metabolite in his system: Height - 5'11" (180 cm), Weight - 190 lbs (86 kg), Age - 21, Gender - Male. Now, say if he were to insufflate .5 gram to 1 gram in a single night, how long would the metabolite benzoylecgonine be detectable in urine (approximately), considering those variables? What about if .25 g was done for 4 days in a row, how would that affect the detection of the metabolite differently?
     
  2. anthonyc

    anthonyc Newbie

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    It varies from individual to individual. And the type of test. The common urinalysis has a 300ng/ml screening level and a GCMS confirmation level of 150ng/ml.

    Under the conditions - usage ceased for over 3 months, and .5-1g was insufflated.
    Metabolites could be out within 48-72 hours. Any alcohol use would extend that timeframe (some studies say twice as long).

    Spreading out .25g in 4 days wouldn't help. If usage was in one night (lets say Friday night until midnight), by Monday 8am , 56 hrs would have passed. And therefore more likely to be have detectable amounts completely out of the system.

    If usage was .25g in 4 days, detectable amounts would be in the system on 6 days of week. If one uses .25g on Monday through Thursday, it would be clean on Sunday and some of monday(until .25g).

    Is this an employment related urine test?

    anthonyc added 1 Minutes and 38 Seconds later...

    If .25 g was done for 4 days in a row, how would that affect the detection of the metabolite differently? It really wouldn't.
     
    Last edited: Feb 8, 2012
  3. metalupyour455

    metalupyour455 Silver Member

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    Thanks for the quick and well explained reply! It is a simple urinalysis, home tests. They are those little sticks one puts into the urine sample but each stick tests only for one type of substance (one for thc, one for cocaine, amphetamines, opiates, etc).

    Edit: what causes alcohol to lengthen the detection time of the metabolite?
     
    Last edited: Feb 8, 2012
  4. anthonyc

    anthonyc Newbie

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    Home tests are typically less accurate. Some include a method to mail it it to do a confirmation. Sounds like the typcial 5 in 1 test available at stores like Walgreens, rite-aid, etc... Check the specifications of the product. Its detection levels should show something like this :
    COCAINE ng/ml​
    1. Benzoylecgonine 300
    2. Cocaine HCl 780
    3. Cocaethylene 12,500
    4. Ecgonine HCl 32,000
    Another point to consider is that illicit cocaine hcl powder can be adulterated with substances such as amphetamines. So, a illicit "cocaine" may cause a detection of cocaine and amphetamines. Procaine can also cause some urinalysis tests to five a false positive.

    Alcohol in combination with cocaine, will form cocaethylene. It stays in the system longer.

    With a home test, testing conditions are different than employment testing. Employment tests would typically perform other tests to confirm human urine, temperature, relative density, pH, etc... And could also have someone standing behind you watching you piss.

    Studies show that various solutions can provide lower detectable levels and give false negatives. Both NaCl solutions and various concentrations of Drano (NaOH and sodium hypochlorite) can do it.
     
  5. metalupyour455

    metalupyour455 Silver Member

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    Interesting. How long would you say cocaethylene would remain in his system for, given the same circumstances?
     
  6. anthonyc

    anthonyc Newbie

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    Aproximately twice as long. But some home tests don't even test for it.
     
  7. NationDivided

    NationDivided Newbie

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    Hi, i am also in the same situation! I am in a counseling class where i get randomly drugged tested and last night for the forth of july some of my friends were doing coke. i have never tried it before and since i cant smoke my friends convinced me to lick the knife (she was very pretty). i know its a small amount but im still concerned it might come up on a drug test. im 20 years old im about 150lbs and im 5'9" (175cm). How long do you think the Benzoylecgonine will be in my system? THANK YOU in advance!
     
  8. metalupyour455

    metalupyour455 Silver Member

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    If my friend uses a diuretic like cranberry juice to wash out the metabolites, does that mean he shouldnt drink them day of the test because it will make them come out the urine more or will it still dilute the urine?
     
  9. malarky2

    malarky2 Newbie

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    I smoked an eight ball of pure coke on tuesday night . Will I pass a urine test the following Monday ? I am using a total body detox from GNC , and drinking tons of water . I also plan on using a BClean kit on test day . Will I pass ?
     
  10. mozit

    mozit Newbie

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    I guess I don't understand how cocaethylene stays in the system longer the BZ when cocaeth has around ~ 2.5 hour half life, cocaine ~ (not sure, around an hour) and BZ ~ 6-8 hours

    Yes you consume alcohol and it may slow things down.. but BZ would still be the dominate metabolite in your system... correct?
     
  11. lrayser420

    lrayser420 Newbie

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    I was having the same problem with the drug tests and the variety of answers I was getting online so I downloaded the insert from the I cup package and this is what if found

    COCAINE (COC) Cocaine is a potent central nervous system (CNS) stimulant and a local anesthetic. Initially, it brings about extreme energy and restlessness while gradually resulting in tremors, over-sensitivity and spasms. In large amounts, cocaine causes fever, unresponsiveness, difficulty in breathing and unconsciousness. Cocaine is often self-administered by nasal inhalation, intravenous injection and free-base smoking. It is excreted in the urine in a short time primarily as Benzoylecgonine.3,4 Benzoylecgonine, a major metabolite of cocaine, has a longer biological half-life (5-8 hours) than cocaine (0.5-1.5 hours), and can generally be detected for 24-48 hours after cocaine exposure. 4 The One Step Multi-Drug Screen Test Card with the integrated iCup ® yields a positive result when the cocaine metabolite in urine exceeds 300 ng/mL. This is the suggested screening cut-off for positive specimens set by the Substance Abuse and Mental Health Services Administration (SAMHSA, USA)

    anyways I hope this helps
     
  12. lfs00

    lfs00 Newbie

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    HI all! I was a weekend user for the past 2 years and I'm getting a pre employment test in around 10 days. Last time I touched it was October 23rd but I did some lines with alcohol on November 20th...
    So you think I'll be fine by December 4th????
     
  13. TheBigBadWolf

    TheBigBadWolf Apprentice Sorcerer Palladium Member Donating Member

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    lfs00,

    yes. with that time of 15 days between consumption and test you're gonna be fine. definitely.

    Next time please look up that stuff a wee bit earlier, getting high is in no way worth been thrown into jail, nor not getting a job and staying workless, is it?;)

    Be responsible.
    BBW

    EDIT:
    If you can afford it a home-drug test for cocaine should be available in your pharmacy.
     
    Last edited: Nov 23, 2015
  14. lfs00

    lfs00 Newbie

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    thank you for the answer! I've read that it can take more than 10 days, up to 22 in regular users, but I don't know if every weekend for the past 2 years would be considered regular or not...
    I'm definitely not touching it again after this! I'm trying to flush out my system asap but I'm afraid of taking a home test! You think I should wait until day 7 to take it? Thanks!
     
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