• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
5-Hydroxytryptophol

5-Hydroxytryptophol

Product ID H9812
Cas No. 154-02-9
Purity ≥98%
Product Unit SizeCostQuantityStock
10 mg $72.00 In stock
25 mg $153.00 In stock
100 mg $357.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

5-hydroxytryptophol is a neuromodulatory analog of serotonin and melatonin found in the needles of the Pinus sylvestris tree, wine, and beer, and is also the sleep-inducing component of the ‘sleeping sickness’ initially produced by the Trypanosoma brucei parasite. This compound is often used as a biomarker for recent alcohol consumption is it remains in the body much longer than ethanol. 5-hydroxytryptophol exudes some hypnotic activity, inducing a short-lived sleep state, and marginal antioxidative properties, inhibiting oxidation of LDL in a developmental atherosclerosis model.

Product Info

Cas No.

154-02-9

Purity

≥98%

Formula

C10H11NO2

Formula Wt.

177.20

IUPAC Name

3-(2-hydroxyethyl)-1H-indol-5-ol

Synonym

2-(5-Hydroxy-3-indolyl)ethyl alcohol

Solubility

PBS to 0.3 mg/ml, ethanol to 30 mg/ml, DMSO to 30 mg/ml

Appearance

White to off white powder

Shipping and Storage

Store Temp

4°C

Ship Temp

Ambient

Downloads

MSDS

H9812 MSDS PDF

Info Sheet

H9812 Info Sheet PDF

References

Beck O, Helander A. 5-hydroxytryptophol as a marker for recent alcohol intake. Addiction. 2003 Dec;98 Suppl 2:63-72. PMID: 14984243.

Wang HX, Liu F, Ng TB. Examination of pineal indoles and 6-methoxy-2-benzoxazolinone for antioxidant and antimicrobial effects. Comp Biochem Physiol C Toxicol Pharmacol. 2001 Nov;130(3):379-88. PMID: 11701394.

Cornford EM, Bocash WD, Braun LD, et al. Journal of Clinical Investigation 1979;63(6):1241–8. PMID: 447842.

Feldstein A, Chang FH, Kucharski JM. Tryptophol, 5-hydroxytryptophol and 5-methoxytryptophol induced sleep in mice". Life Sciences 1970;9 (6):323–9. PMID: 5444013.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • R2511

    RGDC

    Peptide, used to study cell-surface binding; po...

    ≥95%
  • H1893

    Hexarelin

    Synthetic ghrelin analog; ghrelin agonist.

    ≥95%
  • I5206

    INCB 28060 Hydrochloride Hydrate

    c-MET inhibitor.

    ≥98%
  • C2957

    Cholesterol

    Endogenous sterol component of animal cell memb...

    ≥97%
  • M721002

    MSA-2

    STING agonist

    ≥98%
  • A0933

    Acitretin

    Retinoid; RARα/β/γ agonist.

    ≥98%, multiple isomers
  • A5284

    [Val5]-Angiotensin II, human

    Peptide, derivative of AT II, involved in vasoc...

    ≥95%
  • S3453

    Sinigrin Monohydrate, synthetic

    ITC precursor found in cruciferous vegetables.<...

    ≥98%
  • P0010

    Pituitary Adenylate Cyclase-activating Polypeptide-related Peptide, human

    Peptide, involved in paracrine and autocrine ce...

    ≥95%
  • S801001

    SU-5402

    Inhibitor of VEGFR and FGFR.

    ≥98%
  • R0272

    Rasagiline Mesylate

    MAO-A/B inhibitor.

    ≥98%
  • C3479

    Citrinin

    Mycotoxin produced by Penicillum, Aspergillus, ...

    ≥98%
  • M1779

    Methyldopa Sesquihydrate

    DOPA decarboxylase inhibitor, indirect α2-adre...

    ≥98%
  • P5745

    Polygalic Acid

    Saponin found in Polygala.

    ≥97%
  • F465817

    Flunisolide

    Corticosteroid

    ≥90%
  • M184776

    5-(Methylsulfonyl)pentyl Nitrile

    Synthetic nitrile compound

    ≥98%
  • A1332

    Adipokinetic Hormone II from Locusta migratoria

    Neuropeptide found in Locusta migratoria.

    ≥98%
  • I7757

    Itopride Hydrochloride

    AChE inhibitor, D2 antagonist.

    ≥98%
  • F1745

    Felodipine

    Dihydropyridine; L-type Ca2+ channel blocker.

    ≥98%
  • N4524

    NLG919

    Indoleamine-2,3-dioxygenase inhibitor.

    ≥98%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only