CompoundList
Sign in
Amino acids and derivatives

Oxitriptan

Also known as Levothym, Pretonine, Triptene

CAS 4350-09-8Formula C11H12N2O3Molar mass 220.23 g/molEC 224-411-1
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant 94 suppliers listed Drug substance
Get quotes Compare 94 suppliers
Oxitriptan chemical structure, C11H12N2O3, CAS 4350-09-8
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
270 °C
Solubility
Slightly soluble
HS code
293399
Category
Amino acids and derivatives
UN number
UN 2811
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Oxitriptan?

Plain description, key identifiers and synonyms

5-hydroxy-L-tryptophan is the L-enantiomer of 5-hydroxytryptophan. It has a role as a mouse metabolite, a plant metabolite and a human metabolite. It is a 5-hydroxytryptophan, a hydroxy-L-tryptophan and a non-proteinogenic L-alpha-amino acid. It is an enantiomer of a 5-hydroxy-D-tryptophan. It is a tautomer of a 5-hydroxy-L-tryptophan zwitterion.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S)-2-amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
CAS number
4350-09-8 CAS number cross-checked
EC number
224-411-1
Molecular formula
C11H12N2O3
UNII
C1LJO185Q9
MDL number
MFCD00064341
InChIKey
LDCYZAJDBXYCGN-VIFPVBQESA-N
InChI
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
Canonical SMILES
NC(Cc1c[nH]c2ccc(O)cc12)C(=O)O
Isomeric SMILES
C1=CC2=C(C=C1O)C(=CN2)C[C@@H](C(=O)O)N

Synonyms

  • Levothym
  • Pretonine
  • Triptene
  • Oxyfan
  • Quietim
  • Levotinine
  • Serotonyl
  • Telesol
  • Oxitriptano
  • Oxitriptanum
  • Tripten
  • (S)-5-Hydroxytryptophan
  • Oxitriptanum (INN-Latin)
  • Oxitriptano (INN-Spanish)
  • Oxitriptan (mart.)
  • 5-HTP Phenolic
  • 5-hydroxy-L-tryptophan
  • L-5-Hydroxytryptophan
  • Cincofarm
  • L-5-Htp
  • (2S)-2-amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
  • 5-Hydroxytryptophan L-form
  • Tript-OH
  • hydroxytryptophan
  • (S)-2-amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
Show all 34 synonyms
  • L-Tryptophan, 5-hydroxy-
  • 5-Hydroxyl-L-tryptophan
  • 5-hydroxy l-tryptophan
  • H-Trp(5-OH)-OH
  • L-5-Hydroxytryptophan (Standard)
  • Oxitriptan (INN)
  • 5-hydroxy tryptophan
  • Ro 3-5940 HCl
  • Dl-oxitriptan

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Crystalsexp.
Melting point
270 °Cexp.
Solubility
Slightly solubleexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
220.23 g/molcalc.
Exact mass
220.0848 Dacalc.
LogP (octanol/water)
0.83calc.
Topological polar surface area
99.34 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.18calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2[nH]ccc2c1

c1ccc2[nH]ccc2c1

2 rings, 9 atoms, the Indole ring system.

25,097 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H301Toxic if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2811

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Oxitriptan suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 94 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

94 suppliers in 16 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Oxitriptan price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Industries and functions

Roles

  • animal metabolite
  • anti-obesity agent
  • antidepressant
  • central nervous system drug
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite
  • pharmaceutical
  • plant metabolite
  • psychotropic drug

Pharmacology

Oxitriptan is an aromatic amino acid with antidepressant activity. In vivo, oxitriptan (or 5-hydroxytryptophan) is converted into 5-hydroxytryptamine (5-HT or serotonin) as well as other neurotransmitters. Oxitriptan may exert its antidepressant activity via conversion to serotonin or directly by binding to serotonin (5-HT) receptors within the central nervous system (CNS). Endogenous oxitriptan is produced from the essential amino acid L-tryptophan. The exogenous therapeutic form is isolated from the seeds of the African plant Griffonia simplicifolia.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Oxitriptan is traded under.

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Oxitriptan is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Oxitriptan, based on the data on this page

What is Oxitriptan?

5-hydroxy-L-tryptophan is the L-enantiomer of 5-hydroxytryptophan. It has a role as a mouse metabolite, a plant metabolite and a human metabolite. It is a 5-hydroxytryptophan, a hydroxy-L-tryptophan and a non-proteinogenic L-alpha-amino acid. It is an enantiomer of a 5-hydroxy-D-tryptophan.

What is the CAS number of Oxitriptan?

The CAS registry number of Oxitriptan is 4350-09-8.

What is the molecular formula and weight of Oxitriptan?

The molecular formula of Oxitriptan is C11H12N2O3 and its molar mass is 220.23 g/mol.

What is Oxitriptan used for?

Known uses and roles of Oxitriptan include cns agents in pharmaceuticals, animal metabolite, anti-obesity agent, antidepressant, central nervous system drug and 8 more.

Is Oxitriptan hazardous?

Oxitriptan carries the GHS signal word "Danger". Main hazards: toxic if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Oxitriptan?

Oxitriptan is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Oxitriptan?

CompoundList lists 94 suppliers of Oxitriptan in China, United States, Germany, Spain and 12 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Oxitriptan?

Suppliers quote Oxitriptan on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Oxitriptan

Get quotes for Oxitriptan

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Oxitriptan
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Oxitriptan with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/oxitriptan-4350-09-8" title="Oxitriptan structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Amino acids and derivatives or HS code 293399

94 suppliers
Free quotes, contact stays private
Get quotes