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  1. M

    4-MMC (mephedrone) synthesis. Bromination in dichlormethane.

    Has anyone ever used ethylacetate solvent for the reaction and what were the results?
  2. M

    Comment by 'Mr.blank00' in media '4-MMC (mephedrone) synthesis. Complete video tutorial.'

    Has anyone ever used ethylacetate solvent for the reaction and what were the results?
  3. M

    Methamphetamine Synthesis from Ephedrine by Using I2 and H3PO2

    Hello sir, is the top cover of the condenser opened or closed when refluxing for 10-12 hours, and is ice water used to cool the condenser, because if you just heat it without a condenser for 12 hours the solution will evaporate and dry, please explain.
  4. M

    correct storage of nabh4

    OK, thanks for the information friend. Thank you for your time.
  5. M

    correct storage of nabh4

    Sorry friend, is there a possibility of burning or exploding if exposed to outside air for too long? Sorry, I bought 2kg and 1kg is still in its original plastic. I'm afraid of what will happen because I don't have much information about this Nabh4.
  6. M

    correct storage of nabh4

    If it's still in 1kg vacuum plastic, the weight is nabh4, can it be stored for a long time, or does it have to be separated into 20-25gram bottles.
  7. M

    correct storage of nabh4

    Can you share your experiences on how to store Nabh4 correctly, and what if the humidity is too high, what will happen? Thank you
  8. M

    need help converting 5449-12-7 and 20320-59-6

    My inbox is messaged if anyone needs help converting 5449 to p2p...
  9. M

    Comment by 'Mr.blank00' in media 'BMK glycidic acid (sodium salt) synthesis'

    Is there a replacement reagent for methyl2chloropropionate, can anyone answer this?
  10. M

    Synthesis of ephedrine from propiophenone

    hello, everyone. Can someone provide a link for making ephedrine, pseudoephedrine from d-l alananine, metylananine, yesterday someone posted it but I can't find it, please help.
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