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Key Documents

H9772

Sigma-Aldrich

5-Hydroxy-L-tryptophan

≥98% (TLC), suitable for HPLC

Synonyme(s) :

L-2-Amino-3-(5-hydroxyindolyl)propionic acid, L-5-HTP

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About This Item

Formule empirique (notation de Hill):
C11H12N2O3
Numéro CAS:
Poids moléculaire :
220.22
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352209
eCl@ss :
32160406
ID de substance PubChem :
Nomenclature NACRES :
NA.77

product name

5-Hydroxy-L-tryptophan, powder

Pureté

≥98% (TLC)

Forme

powder

Technique(s)

HPLC: suitable

Couleur

white to faint beige

Température de stockage

2-8°C

Chaîne SMILES 

N[C@@H](Cc1c[nH]c2ccc(O)cc12)C(O)=O

InChI

1S/C11H12N2O3/c12-9(11(15)16)3-6-5-13-10-2-1-7(14)4-8(6)10/h1-2,4-5,9,13-14H,3,12H2,(H,15,16)/t9-/m0/s1

Clé InChI

LDCYZAJDBXYCGN-VIFPVBQESA-N

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Description générale

5-Hydroxy-L-tryptophan (5-HTP) is naturally found in Griffonia simplicifolia.

Application

5-Hydroxy-L-tryptophan has been used:
  • to inject experimental mice for serotonin detection
  • as a precursor of 5-hydroxytryptamine and injected in pregnant mice and neonatal rats for vital neutral red staining of lung slices
  • as a standard in citrate-acetate buffer for its use in high performance liquid chromatography (HPLC) analysis

Actions biochimiques/physiologiques

Hydroxylation of L-tryptophan occurs in the brain during serotonin synthesis. This is a step that controls the production of serotonin and also yields 5-hydroxy-l-tryptophan (5-HTP) as a metabolite. Thus, consumption 5-HTP, increases the serotonin level, which might result in depression, lack of sleep and severe headache.
Immediate precursor of serotonin; L-aromatic amino acid decarboxylase substrate.

Attention

Light sensitive

Pictogrammes

Skull and crossbones

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Acute Tox. 3 Oral

Code de la classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

M G Marrero et al.
Scientific reports, 10(1), 9712-9712 (2020-06-18)
Dairy calves are born with a naïve immune system, making the pre-weaning phase a critical window for immune development. In the U.S., 40-60% of dairy farms feed milk replacer to pre-weaned calves, which are devoid of bioactive factors with immunological
Andrew N Bubak et al.
PloS one, 14(1), e0203980-e0203980 (2019-01-30)
Despite the conserved function of aggression across taxa in obtaining critical resources such as food and mates, serotonin's (5-HT) modulatory role on aggressive behavior appears to be largely inhibitory for vertebrates but stimulatory for invertebrates. However, critical gaps exist in
Enhanced synthesis of 5-hydroxy-l-tryptophan through tetrahydropterin regeneration
Hara R and Kino K
AMB Express, 3(1), 70-70 (2013)
Endocrine taste cells
Kokrashvili Z, et al.
The British Journal of Nutrition, 111(S1), S23-S29 (2014)
Erin J Golden et al.
eLife, 10 (2021-05-20)
Embryonic taste bud primordia are specified as taste placodes on the tongue surface and differentiate into the first taste receptor cells (TRCs) at birth. Throughout adult life, TRCs are continually regenerated from epithelial progenitors. Sonic hedgehog (SHH) signaling regulates TRC

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