echo88

Completely agree with you it is pure laziness on the vendor side and they know people will buy regardless.

protocol88

I checked three major sources this week and all of them had outdated PDFs with zero matching batch numbers so no I do not think I am exaggerating.

grayowl0

Honestly it has been like this for years you just have to know which suppliers actually care about mass spec accuracy.

rust_pdx86

You guys are totally exaggerating good domestic labs post updated HPLC results weekly if you look in the right places.

protocol21

Even when they do post a test the sample size looks tiny or doctored up.

vialfiles

That is a bit harsh some of us are just hobbyists working with strict limits.

stackgal27

That is why smart researchers only buy raw powder and send aliquots out for independent verification yourself.

researchguy4

Independent testing costs way too much extra cash for everyday research though.

kineticx

If your research budget cannot handle basic safety verification you are cutting corners plain and simple.

amberfiles

Fair enough but analytical integrity is not really the place to try and save twenty bucks.