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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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comment on why is the sequence written four different ways across four vendor sites in c/researchpeptides · 74 points · 1 days ago

same list as the water-content one, which is not a coincidence.

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comment on WXT is the only vendor whose COAs reliably include water content and i think that is the tell in c/vendorvetting · 58 points · 2 days ago

agreed and that is a fair check on my argument. correlation not causation, n of about eight vendors. edit: SWB is 4.4 on our own directory largely because of exactly that gap, so the community has already priced it in.

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comment on WXT is the only vendor whose COAs reliably include water content and i think that is the tell in c/vendorvetting · 201 points · 2 days ago

this is the bit i should have led with instead of burying it in paragraph three. fixing that in my head for next time.

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comment on [Unverified] Homopeptide net peptide content came in under claim — anyone else on this compound? in c/scamalerts · 94 points · 3 days ago

one in eight of my documents have it. if a hundred people asked on every order it would be standard inside a year.

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comment on net peptide content vs purity — two different numbers, same vial, and only one is on your COA in c/coa · 81 points · 4 days ago

the collective-nagging mechanism is genuinely the most effective tool this community has and it never gets written up as one.

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comment on is 96.8% area% actually fine or am i being sold a rounding error in c/coa · 2 points · 4 days ago

The COA I was holding said 96.8% area and I thought it was trash. Turns out the method was solid and the impurity profile was clean.

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comment on net peptide content vs purity — two different numbers, same vial, and only one is on your COA in c/coa · 288 points · 5 days ago

One in eight across my folder, and it clusters hard by vendor. WXT and BCH have it most of the time. Everyone else, rarely, and usually only when somebody asked.

Which tells you the assay is not hard or expensive — it tells you it is not demanded. If a hundred people asked for it on every order it would be on every document inside a year.

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comment on this COA has no batch number and no date. what am i even looking at in c/coa · 15 points · 7 days ago

Removed a chain here. The rule is one line long and it is not negotiable.

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comment on water content is on the COA and everyone skips it in c/coa · 30 points · 9 days ago

Flair changed to match the content. Read the sidebar before posting next time and we are square.

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comment on [COA] full document, nothing cropped, tell me what i am missing in c/coa · 1 points · 1 months ago

area% is not mass%, and here is exactly why it matters

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comment on anyone else notice water content kicking in around week 50 in c/coa · 176 points · 1 months ago

This is an urgent-care question wearing a forum question's clothes. Please contact a clinician rather than waiting for replies.

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comment on why does nobody talk about purity in c/coa · 35 points · 1 months ago

This is an urgent-care question wearing a forum question's clothes. Please contact a clinician rather than waiting for replies.

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comment on anyone else notice ice pack kicking in around week 30 in c/coldchain · 21 points · 1 months ago

excursion claims need a logger trace or a photo at unboxing, not "it felt warm"

Adding to this: packaging is doing more work than the comment implies.

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comment on reading area percent threads from 2024 and half of it aged badly in c/coa · 88 points · 2 months ago

Removed a chain here. The rule is one line long and it is not negotiable.

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comment on stability — my 7-week log, condensed into one table in c/coldchain · 2 points · 2 months ago

Denmark to Denmark takes 22 days on average, variance is 4 days

Yes, exactly this, and it is the bit that took me 34 weeks to accept.

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comment on Germany: water content, and what it actually costs here in c/coa · 129 points · 2 months ago

Retitled to remove editorialising. Put the evidence in the body.

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comment on [Discussion] we are measuring purity at the wrong time and calling it noise in c/coa · 12 points · 3 months ago

Flair changed to match the content. Read the sidebar before posting next time and we are square.

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comment on packaging: what the trials say vs what this community says in c/coldchain · 1 points · 3 months ago

lane reports need origin, destination, carrier, and actual transit days

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comment on [Question] New Zealand — has anyone got a straight answer on certificate of analysis in c/coa · 13 points · 3 months ago

Slight fix: the number was 97.6, not 97.4. Decimal point, but a fairly consequential one.

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