A supplier suspends shipping to Spain after 10 consecutive customs detentions
The route did not close because of a rule about peptides.
Stability
Page 14 of 20 of this archive, newest first.
A supplier suspends shipping to Nigeria after 14 consecutive customs detentions
The route did not close because of a rule about peptides.
Repackaging, subdivision, and the batch number that changed hands
The interval between manufacture and analysis is the most under-read figure on the page, and the one most likely to matter by the time a vial is opened.
How much water: the question with no single right answer
A more concentrated reconstitution means smaller injection volumes, which means larger proportional errors from graduation, dead space and technique.
A supplier suspends shipping to Poland after 14 consecutive customs detentions
The route did not close because of a rule about peptides.
What Sweden customs does to a parcel it has decided to examine
A gel pack has a finite thermal budget, and once it is spent the payload equilibrates with whatever is outside the box. The only question is how long that takes.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Freezing a reconstituted vial: the ice-water interface problem
We set out what is known, what is inferred and what is simply assumed about the fortnight after a vial is opened.
Four millimetres is enough, and the data says so
A 4 mm needle at ninety degrees without a skin pinch is adequate for essentially all adults. The persistence of 12.7 mm needles in this market is habit, not reasoning.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
The certificate of analysis, line by line
The purity figure is the least informative line on a well-constructed certificate and the only line most buyers read.
A supplier suspends shipping to New Zealand after 6 consecutive customs detentions
The route did not close because of a rule about peptides.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
A supplier suspends shipping to Japan after 13 consecutive customs detentions
The route did not close because of a rule about peptides.
Errors ranked by how much dose they move
The most dangerous errors are the ones that leave no trace: nothing looks wrong, the mark is in the same place, and the dose is wrong by an order of magnitude.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
A supplier suspends shipping to Ireland after 9 consecutive customs detentions
The route did not close because of a rule about peptides.
Everything on the page, in the order a chemist would read it
The header identifies the batch, the table records the tests, and the footer says who is answerable. Two of the three are usually incomplete.