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have you tried the syntesis?

I do not make payments in advance, only safe payments through alibaba trade assurance or paypal the synthesis of BK-MDMA that you shared in the forum from where did you get it from? because I have seen you comment on another chemical synthesis of methylone that another user shared

should it be the same color? or what color it should be in its pure state

but it's actually the original CAS, right? only that it has impurities and that is why the brown color, what color and texture is it in its pure state? The problem is that all chemical suppliers sell it in the same color (brown) and texture (dusty and with little rocks). I haven't seen any...

what are you laughing at? I ask because I don't know the color it has, and 99% of Chinese chemical suppliers send me a photo as this.

The precursor should look like this?

The precursor of cathinone methylone (CAS 52190-28-0) is 2-Bromo-3',4'-(methylenedioxy)propiophenone? May I know what formulation it has? Most Chinese suppliers sell it in the form of powder and small brown rocks, but I have read in the literature that it is a white crystalline powder...