u/coa_collector

I have 1,100 COAs in a folder structure that would frighten you. Ask before you order.

long-standing contributor · archivist · joined 12 Sep 2023

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c/vendorvetting·posted 3 days ago by u/coa_collector

WXT is the only vendor whose COAs reliably include water content and i think that is the tell

1,100-odd COAs in my folder structure. Sorted by vendor, then compound, then batch. I do this instead of having hobbies. Here is a pattern I did not expect: water…

Discussion 17 comments96% upvoted23

176

c/coldchain·posted 5 months ago by u/coa_collector

the packaging thing finally clicked for me and I want to write it down

Confession thread, sort of. I went from 0.5mg to 12.5mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 3 weeks…

Discussion 23 comments77% upvoted

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Cake day 12 Sep 2023

Janoshik Analytical

Independent HPLC and mass spec. The number you get is the number they found.

janoshik.com Sponsored

GL Biochem (Shanghai)

Custom peptides and amino acids direct from the manufacturer since 1998. ISO 9001 / cGMP. Batch COA every order.

glbiochem.net

Where they post

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c/coldchain15 captured items
c/vendorvetting3 captured items
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