Analysis of an MT2 (Melatonan 2) peptide.
One of our members used this petide to get a nice tan. It’s a MT2 with a nice box with hologram. The top (with brand name), label and box are made in the same colour with great precision and it looks like a pharmaceutical item. The brandname and info are not traceble on the internet, thus it concerns a underground made product, most probably originating from China or India. Our member was very curious to its quality. That’s why I decided to run an analysis.
The brandname is Scenic batchnumber: 000001380 expiring: 01 december 2010
As you can easily see, the main compound has a MW (Molecular Weight) of 1024.5 Da (Dalton) which is in accordance with the cyclic peptide.
However, there are a high number of minor contaminations in the sample which you see better in the zoom pictures.
You can see 1050-1550 MW – 1550 –2500 MW and the last graph is 2500 –3300 MW.
The contaminations all look like peptides but without MSMS we cannot determine their sequence.
If I wanted to know their sequences, we had to run the sample on LC-ESI-MSMS.
But this was to expensive to do for the results I could expect. It’s a reasonable product that will bring the user the effects he expects and paid for, but no pharmaceutical quality.
On the other hand a potential user will not be able to get a pharmaceutical grade product, since it officially not available.
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