does 503B actually matter or is it forum lore at this point
Slightly embarrassed to be asking this, but: does 503B actually matter or is it forum lore at this point. Asked for potency testing on the finished preparation. They had it. I had assumed they would not. On concentration, which is where I see people actually get hurt. A compounded vial can be filled at a different…
Potency and sterility testing on the finished preparation are separate from any certificate covering the starting material. Ask which you are being shown.
Salt form matters for mass: a preparation specified as one salt and dosed as the free base gives you a different amount of peptide for the same number on the label.
shortage status changes and the whole arrangement changes with it
What concentration is on the label, and does it match what you were expecting?
Cosigning the beyond-use date question. What it is based on tells you whether anybody has done stability work.
Removed the staff name. Facilities and clinics can be named here; individuals cannot.
That figure is the starting material purity, not the finished preparation potency. Two different tests.