This research chemical has no unwanted side effects during and after the action. Smoking gives stronger effects.
Methamphetamine (N-methylamphetamine, desoxyephedrine) is also known as crystal meth, chalk, and ice is an extremely addictive stimulant drug that is chemically similar to amphetamine. It takes the form of a white, odorless, bitter-tasting crystalline powder.
Cas Number 537-46-2
ATC code N06BA03
PubChem CID 1206
Synonyms N-methylamphetamine, desoxyephedrine
Molecular mass 149.2337 g/mol
Melting point 3 °C (37 °F) 
Boiling point 212 °C (414 °F)  at 760 MM HG