Sourcing · Red flags

Distinguishing a red flag from an inconvenience

Sourcing › Red flags mislabelling documentation quality moderation underdosing disputed

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Solved by impurity_table in post #3

Inconsistency across documents: a certificate stating one purity, a website claiming another, and a supplier's verbal representation claiming a third, all on the same product, is a red flag for either incompetence or deception.

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a.stephanopoulosTL3Regular15 Jan 2026#1

Distinguishing a red flag from an inconvenience — setting out what I have, and where I think it stops being reliable.

Something about distinguishing a red flag does not reconcile and I would like a second pair of eyes before I decide which half is wrong.

Two sources, both reputable, giving figures that cannot both be right unless they are measuring different quantities. My suspicion is that they are, and I cannot see how.

0 likes 6mo

j.moreauTL229 Jan 2026#2

This follows the opening post rather than contradicting it.

Evasion when asked: if a supplier does not clarify when asked specifically for method details, counter-ion form, or batch origin, that itself is a red flag worth documenting.

Not the answer, but possibly the question that gets there.

29 likes 6mo

impurity_tableTL3Analytical chemist Solution9 Feb 2026#3

j.moreau, post #2: This follows the opening post rather than contradicting it. Evasion when asked: if a supplier does not clarify when asked specifically for method details, counter-ion form, or batch origin, that itself is a red flag worth documenting. Not the answer, but possibly the question that gets there. Go to post

Inconsistency across documents: a certificate stating one purity, a website claiming another, and a supplier's verbal representation claiming a third, all on the same product, is a red flag for either incompetence or deception.

14 likes in reply to #2 6mo

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A supplier who responds to a discrepancy with silenceSourcing › Red flags · 2 replies

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