Peptide Atlas · Excipient

L-Histidine HCl

Histidine hydrochloride is widely used in freeze-dried monoclonal antibody formulations; histidine-acetate has been evaluated as an alternative where chloride ions are undesirable.

preclinical

provisional
PubChem 165377
1 citation
0 discussions
0 followers
Histidine
L-Histidine hydrochloride monohydrate

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What the evidence says

six tiers, never blended

preclinical — animal, cell or mechanistic work — not yet about people

every claim resolves to its source

All 1 citation resolves to their original source. · 0 posts naming it, 0 members counted once each.

Evidence, kept apart

The Atlas never mixes evidence types into one blob. Each claim below carries the tier it actually sits in; an unresolved citation is shown and does not move the page.

Evidence map for L-Histidine HCl. Tier reflects study design, not enthusiasm.
Claim	Tier	Source
Histidine-acetate as an alternative to histidine-HCl in freeze-dried antibody formulations	preclinical	pmid 41308842

Unanswered questions

No open questions on file. Either everything about this molecule is known, or nobody has admitted what is not.

Negative findings

failure is information

Nobody has filed a failure yet. Failures are information; this list is waiting for an honest one.