Comparison between two "PMK Ethyl Glycidates" I actually bought

[Tacitus Kilgore]

I played the chinese roussian roullete and ended up buying 2 pmk ethyl glycidate "free" samples (each one cost 50 USD). One is a waxy brown solid that melts around 40 ºC. Other is a white crystalline solid. Both of them were advertised as Pmk Ethyl Glycidate (CAS 28578-16-7) and smell somewhat the same. I have not tested any of them yet, but I will soon. What are your thoughts?

 

[HIGGS BOSSON]

Glycidates exist in the form of oil and in the form of salt. Conversion to PMK is implemented according to the same method for both.

 

[chemistry.mob]

How did it go friend, did it turn out to be real PMK ethyl glycidate?
How can you verify that it is the original CAS, do you bring it to a laboratory to analyze the substance or how?
thank you my friend!