FB2026_03 , released September 17, 2026
Chemical: 5-hydroxytryptophan
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General Information
Name
5-hydroxytryptophan
FlyBase ID
FBch0000200
ChEBI Name
5-hydroxytryptophan
ChEBI ID
CHEBI:28171
PubChem Name
(+-)-5-Hydroxytryptophan
PubChem ID
CID:144
Chemical Structure
Chemical structure of 5-hydroxytryptophan
5-hydroxytryptophan
InChIKey

LDCYZAJDBXYCGN-UHFFFAOYSA-N

Definition (ChEBI)

ChEBI: 5-hydroxytryptophan is a tryptophan derivative that is tryptophan substituted by a hydroxy group at position 5. It has a role as a human metabolite and a neurotransmitter.

Roles Classification (ChEBI)
Comment
Synonyms and Secondary IDs (26)
Synonyms
(+-)-5-Hydroxytryptophan
(PubChem, 2019-)
(+-)-5-hydroxytryptophan
(ChEBI, 2019-, PubChem, 2019-)
114-03-4
(PubChem, 2019-)
2-amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
(ChEBI, 2019-, PubChem, 2019-)
2-amino-3-(5-hydroxy-1h-indol-3-yl)propanoic acid
(PubChem, 2019-)
5-HTP
(Krams et al., 2025, Krama et al., 2023, Alimba et al., 2022, Cao et al., 2022, ChEBI, 2019-, PubChem, 2019-, Hong et al., 2016, Yilmazer et al., 2016)
5-Hydroxy-DL-tryptophan
(PubChem, 2019-)
5-Hydroxy-L-tryptophan
(Alimba et al., 2022)
5-Hydroxytryptophan
(ChEBI, 2019-)
5-htp
(PubChem, 2019-)
5-hydroxy-DL-tryptophan
(ChEBI, 2019-)
5-hydroxy-dl-tryptophan
(PubChem, 2019-)
5-hydroxytriptophan
(Yilmazer et al., 2016)
5-hydroxytryptophan
(Krams et al., 2025, Krama et al., 2023, Cao et al., 2022, ChEBI, 2019-, PubChem, 2019-, Yilmazer et al., 2016)
5-hydroxytryptophan DL-form
(ChEBI, 2019-)
56-69-9
(PubChem, 2019-)
5‑hydroxytryptophan
(Cao et al., 2022)
DL-5-HTP
(ChEBI, 2019-, PubChem, 2019-)
DL-5-Hydroxytryptophan
(PubChem, 2019-)
DL-5-hydroxytryptophan
(ChEBI, 2019-)
DL-Hydroxytryptophan
(PubChem, 2019-)
PubChem:144
(PubChem, 2019-)
dl-5-htp
(PubChem, 2019-)
dl-5-hydroxytryptophan
(PubChem, 2019-)
dl-hydroxytryptophan
(PubChem, 2019-)
pubchem:144
(PubChem, 2019-)
Secondary FlyBase IDs
    References (13)