5-Hydroxy-L-tryptophan (L-5-HTP) - Moligand™, 10mM in DMSO , Inhibitor of Proton-coupled Amino acid Transporter 1;Inhibitor of Proton-coupled Amino acid Transporter 2, CAS No.4350-09-8, Inhibitor of Proton-coupled Amino acid Transporter 1;Inhibitor of Proton-coupled Amino acid Transporter 2

CAS: 4350-09-8 Cat. No.: H423959 Formula: C11H12N2O3 Molecular Weight: 220.22 Beilstein Registry Number: 88200 EC Number: 224-411-1
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GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. 10mM in DMSO
Synonyms
(2S)-2-amino-3-(5-hydroxyindol-3-yl)propanoic acid | bmse000457 | NCGC00091062-03 | NCGC00091062-04 | Oxitriptanum [INN-Latin] | 5-Hydroxy-L-tryptophan, powder | CHEBI:17780 | DB02959 | 5HTP | Cincofarm | n-(tert-butoxycarbonyl)-3-piperidinone | Tox21_111
Storage
Store at -80°C
Shipped In
Dry ice packs + Cold packs
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Size
USA
Germany (EU)*
Price
Qty
1ml
H423959-1ml
1 In stock
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$27.90
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Why this grade

Moligand™, 10mM in DMSO Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at -80°C Ships Dry ice packs + Cold packs Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 16 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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

Specifications

Synonyms
(2S)-2-amino-3-(5-hydroxyindol-3-yl)propanoic acid | bmse000457 | NCGC00091062-03 | NCGC00091062-04 | Oxitriptanum [INN-Latin] | 5-Hydroxy-L-tryptophan, powder | CHEBI:17780 | DB02959 | 5HTP | Cincofarm | n-(tert-butoxycarbonyl)-3-piperidinone | Tox21_111
Specifications & Purity
Moligand™, 10mM in DMSO
Biochemical and Physiological Mechanisms
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,
Storage
Store at -80°C
Shipped In
Dry ice packs + Cold packs
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Action Type
INHIBITOR
Mechanism of action
Inhibitor of Proton-coupled Amino acid Transporter 1;Inhibitor of Proton-coupled Amino acid Transporter 2
Names and Identifiers
Pubchem Sid
Canonical Smiles
C1=CC2=C(C=C1O)C(=CN2)CC(C(=O)O)N
IUPAC Name
(2S)-2-amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
InChIKey
LDCYZAJDBXYCGN-VIFPVBQESA-N
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
Isomeric SMILES
C1=CC2=C(C=C1O)C(=CN2)C[C@@H](C(=O)O)N
WGK Germany
3
RTECS
YN7110000
Alternate CAS
314062-44-7
UN Number
2811
Packing Group
I
Molecular Weight
220.22
Beilstein
88200
Reaxy-Rn
88199
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=88199&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassIndoles and derivatives
SubclassTryptamines and derivatives
Intermediate Tree Nodes Not available
Direct ParentSerotonins
Alternative Parents Indolyl carboxylic acids and derivatives  3-alkylindoles  L-alpha-amino acids  Hydroxyindoles  1-hydroxy-2-unsubstituted benzenoids  Aralkylamines  Substituted pyrroles  Heteroaromatic compounds  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Carbonyl compounds  Hydrocarbon derivatives  Monoalkylamines  Organic oxides  Organopnictogen compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Serotonin - Indolyl carboxylic acid derivative - Alpha-amino acid - Alpha-amino acid or derivatives - 3-alkylindole - L-alpha-amino acid - Hydroxyindole - Indole - Aralkylamine - 1-hydroxy-2-unsubstituted benzenoid - Benzenoid - Substituted pyrrole - Heteroaromatic compound - Pyrrole - Amino acid - Amino acid or derivatives - Azacycle - Carboxylic acid derivative - Carboxylic acid - Monocarboxylic acid or derivatives - Hydrocarbon derivative - Organonitrogen compound - Primary aliphatic amine - Organic oxygen compound - Organic nitrogen compound - Organooxygen compound - Primary amine - Carbonyl group - Organopnictogen compound - Amine - Organic oxide - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as serotonins. These are compounds containing a serotonin moiety, which consists of an indole that bears an aminoethyl a position 2 and a hydroxyl group at position 5.
External Descriptors non-proteinogenic L-alpha-amino acid - 5-hydroxytryptophan - hydroxy-L-tryptophan
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
SLC36A2 Tchem Proton-coupled amino acid transporter 2 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
SLC36A1 Tchem Proton-coupled amino acid transporter 1 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
F2 Tclin Thrombin (11687 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ESR1 Tclin Estrogen receptor alpha (17718 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NR3C1 Tclin Glucocorticoid receptor (14987 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PGR Tclin Progesterone receptor (8562 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM2 Tclin Muscarinic acetylcholine receptor M2 (10671 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR1A Tclin Serotonin 1a (5-HT1a) receptor (14969 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA2A Tclin Alpha-2a adrenergic receptor (9450 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AR Tclin Androgen Receptor (11781 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CHRM1 Tclin Muscarinic acetylcholine receptor M1 (12690 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAOA Tclin Monoamine oxidase A (11911 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD1 Tclin Dopamine D1 receptor (9720 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ACHE Tclin Acetylcholinesterase (18204 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A2 Tclin Norepinephrine transporter (10102 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR2A Tclin Serotonin 2a (5-HT2a) receptor (14758 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR2C Tclin Serotonin 2c (5-HT2c) receptor (11471 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A4 Tclin Serotonin transporter (12625 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADRA1A Tclin Alpha-1a adrenergic receptor (8359 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
OPRM1 Tclin Mu opioid receptor (19785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
DRD3 Tclin Dopamine D3 receptor (14368 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLC6A3 Tclin Dopamine transporter (10535 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KCNH2 Tclin HERG (29587 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR4 Tclin Serotonin 4 (5-HT4) receptor (2068 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE3A Tclin Phosphodiesterase 3A (3309 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HTR2B Tclin Serotonin 2b (5-HT2b) receptor (10323 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TBXA2R Tclin Thromboxane A2 receptor (5717 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
THRB Tclin Thyroid hormone receptor beta-1 (7926 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PDE4A Tclin Phosphodiesterase 4A (1943 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ADORA3 Tchem Adenosine A3 receptor (15931 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HRH3 Tclin Histamine H3 receptor (10389 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AHR Tclin Aryl hydrocarbon receptor (1071 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDR Tclin Vascular endothelial growth factor receptor 2 (20924 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MTOR Tclin Serine/threonine-protein kinase mTOR (13850 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NFKB1 Tclin Nuclear factor NF-kappa-B p105 subunit (1459 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ALOX15 Tchem Arachidonate 15-lipoxygenase (7108 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HEK293 (82097 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
IDO1 Tchem Indoleamine 2,3-dioxygenase (6650 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HSD17B10 Tchem Endoplasmic reticulum-associated amyloid beta-peptide-binding protein (20669 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
POLI Tchem DNA polymerase iota (116820 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4A Tchem Lysine-specific demethylase 4A (52245 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
LMNA Tbio Prelamin-A/C (36751 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
BLM Tchem Bloom syndrome protein (4248 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PMP22 Tbio Peripheral myelin protein 22 (699 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KMT2A Tchem Histone-lysine N-methyltransferase MLL (17327 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CBX1 Tbio Chromobox protein homolog 1 (92434 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Htr7 Serotonin 7 (5-HT7) receptor (19 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ampC Beta-lactamase AmpC (62480 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Tdo2 Tryptophan 2,3-dioxygenase (8 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Npsr1 Neuropeptide S receptor (260 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Luciferin 4-monooxygenase (66902 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
pfk 6-phospho-1-fructokinase (7870 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Txnrd1 Thioredoxin reductase 1, cytoplasmic (45279 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ftmPT1 Brevianamide F prenyltransferase (40 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mapt Microtubule-associated protein tau (6 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nfe2l2 Nuclear factor erythroid 2-related factor 2 (214 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Rorc Nuclear receptor ROR-gamma (89407 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
fba Putative fructose-1,6-bisphosphate aldolase (15559 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
NS1 Nonstructural protein 1 (33327 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Htr3a Serotonin 3 (5-HT3) receptor (1834 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Slc1a5 Amino acid transporter (271 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SARS-CoV-2 (38078 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

1 results found

Lot NumberCertificate TypeDateItem
K2222027Certificate of AnalysisAug 01, 2026 H423959
Chemical and Physical Properties
Refractive Index1.4850
Specific Rotation[α]-33 ° (C=1, H2O)
Melt Point(°C)270°C
Molecular Weight220.220 g/mol
XLogP3-1.200
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass220.085 Da
Monoisotopic Mass220.085 Da
Topological Polar Surface Area99.300 Ų
Heavy Atom Count16
Formal Charge0
Complexity272.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Solution Calculators
Reviews

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