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  #1  
Old 08-02-2012, 02:33
metalupyour455 metalupyour455 is offline
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Benzoylecgonine Detection in Urine

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  
Old 08-02-2012, 09:37
anthonyc anthonyc is offline
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Re: Benzoylecgonine Detection in Urine

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.

Post Quality Evaluations:
Very clear and straightforward, very helpful!

Last edited by anthonyc; 08-02-2012 at 09:37. Reason: Automerged Doublepost
  #3  
Old 08-02-2012, 17:56
metalupyour455 metalupyour455 is offline
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Re: Benzoylecgonine Detection in Urine

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 by metalupyour455; 08-02-2012 at 22:13.
  #4  
Old 09-02-2012, 23:34
anthonyc anthonyc is offline
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Re: Benzoylecgonine Detection in Urine

Quote:
Originally Posted by metalupyour455 View Post
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?
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  
Old 09-02-2012, 23:56
metalupyour455 metalupyour455 is offline
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Re: Benzoylecgonine Detection in Urine

Interesting. How long would you say cocaethylene would remain in his system for, given the same circumstances?
  #6  
Old 10-02-2012, 00:02
anthonyc anthonyc is offline
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Re: Benzoylecgonine Detection in Urine

Aproximately twice as long. But some home tests don't even test for it.
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Old 06-07-2012, 04:31
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Re: Benzoylecgonine Detection in Urine

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  
Old 02-09-2012, 07:38
metalupyour455 metalupyour455 is offline
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Re: Benzoylecgonine Detection in Urine

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  
Old 23-10-2012, 13:57
malarky2 malarky2 is offline
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Re: Benzoylecgonine Detection in Urine

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 ?

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coca, cocaethylene, cocaine, cocaine detection, cocaine drug test, detection time, drug, drug test, drugs, drugs-forum, home drug test, pass a drug test, urine screen

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