Ergothioneine

DB17614InvestigationalSmall molecule

Ergothioneine: Overview.

Chemical structure of Ergothioneine
Mechanism
Curator reviewed
Formula / weight
C9H15N3O2S · 229.3 g/mol (avg)
Also known as
L-(+)-ergothioneine · L-ergothioneine · L(+)-ergothioneine · Sympectothion · Thiasine
Code names
NSC-7175

Resolves to

Compound
UNIIBDZ3DQM98WCAS497-30-3ChEBI4828
Clinical / RWD
RxNorm1314350
Structure
InChIKeySSISHJJTAXXQAX-ZETCQYMHSA-NSMILESC[N+](C)(C)[C@@H](CC1=CNC(=S)N1)C([O-])=O
Targets
P25325MPST
Transporters
Q9H015SLC22A4

What you can answer from here — as of July 21, 2026

1Protein targetEach mapped to UniProt, with action and pharmacological action
Listed above
1TransporterSubstrate / inhibitor direction, not just membership
Listed above
1Clinical trialPhase, status and sponsor resolved per trial
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16+ReferencesStructured and connected to the statements they support
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Which drugs share a target with Ergothioneine, and which of those have an active Phase 3 trial?

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