Any questions?

[HEISENBERG]

Well, ask me here.

 

[mistake]

I will buy custom video syntheses.

 

[HIGGS BOSSON]

What video are you interested in?

 

[mistake]

The process of nitriding substances

 

[Carlz new account]

@HEISENBERG
Could you please reply to me in a private chat?

 

[Stao]

I want to make Ritalin, On this site there's a instructions, The only thing i'm stuck on the first part!
You guys: Mainly: smartresearcher.24281 said you can buy dl-threo-ritalinic acid (which is easy available in China, price for 1 kg is about 600-700$)
My Question is Where?
I see a lot of Ritalinic acid CAS No. 19395-41-6 for 700usd for 1 kg
but not alot of
DL-threo-Ritalinic Acid CAS No : 54593-31-6

​

Methylphenidate (Ritalin)​

any advise would be appreciated