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napsgear
genezapharmateuticals
domestic-supply
puritysourcelabs
UGL OZ
UGFREAK
napsgeargenezapharmateuticals domestic-supplypuritysourcelabsUGL OZUGFREAK

attn: andy13

gotgear?

New member
is this the correct way to bind an prop or cyp ester to testosterone?


Dissolve 5g testosterone (or analog) in 25mi pyridine or dry ether and add 3g propionic anhydride (or propionyl chloride) OR cypionyl chloride (cyclopentylpropionyl chloride) to get the propionate and cypionate respectively. Let stand over night and add excess water, filter, wash, and dry.
 
I think he is out of town for the holidays.
 
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