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Testosterone propionate

You can see that the initial color in vial A is yellow - light green changing to orange later and vial B it is yellow - orange. Watching under normal day light will not give you positive identification, you need to see the fluorescence under UV light (365 nm) in vial B. Under UV there is blue – greenish color which is positive identification of testosterone propionate.

If you do not have any fluorescence then the sample does not contain hormone. There is no fluorescence from oil or alcohol.The tests were done under ideal condition that the sample was pharmaceutical grade it contained only BA, BB, oil and testosterone. We have tested all samples on GC/MS to make sure there is nothing else inside. If you sample is contaminated you will not get the same test results.

We do get emails from people that they have tested testosterone propionate and they do not get the same fluorescence. The answer is very simple, it is something else or your testosterone propionate is mixed with other steroid.

If you dropped a little of raw powder into vials there is little initial color change. In this test we dropped a little too much powder in vials A and B so you see fast initial color change into red.

Notice the initial colors, oil yellow - light green in vial A and a little darker in vial B.

Oil in vial B Under UV light very characteristic blue - greenish fluorescence.

raw powder in vial B under 365 nm UV light