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Alkaloids

Tryptanthrin

Also known as Indolo[2,1-b]quinazoline-6,12-dione, Tryptanthrine, Indolo(2,1-b)quinazoline-6,12-dione

CAS 13220-57-0Formula C15H8N2O2Molar mass 248.24 g/molEC 106-491-9
GHS signal word: Warning. Pictograms: Harmful or irritant 22 suppliers listed
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Tryptanthrin chemical structure, C15H8N2O2, CAS 13220-57-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13220-57-0
Formula
C15H8N2O2
Molar mass
248.24 g/mol
EC number
106-491-9
HS code
293979
Category
Alkaloids

What is Tryptanthrin?

Plain description, key identifiers and synonyms

Tryptanthrine is an organonitrogen heterocyclic compound, an organic heterotetracyclic compound and an alkaloid antibiotic.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
indolo[2,1-b]quinazoline-6,12-dione
CAS number
13220-57-0 CAS number cross-checked
EC number
106-491-9
Molecular formula
C15H8N2O2
UNII
4Y6E3F2U66
MDL number
MFCD00012073
InChIKey
VQQVWGVXDIPORV-UHFFFAOYSA-N
InChI
InChI=1S/C15H8N2O2/c18-13-10-6-2-4-8-12(10)17-14(13)16-11-7-3-1-5-9(11)15(17)19/h1-8H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C(=O)N3C4=CC=CC=C4C(=O)C3=N2

Synonyms

  • Indolo[2,1-b]quinazoline-6,12-dione
  • Tryptanthrine
  • Indolo(2,1-b)quinazoline-6,12-dione
  • 6,12-dihydro-6,12-dioxoindole(2,1-b)quinazoline
  • indolo(2,1-b)quinazolin-6,12-dione
  • indolo (2, 1b) quinazoline-6, 12 dione
  • Triptantrin
  • Indolo[2,12-dione
  • Tryptanthrin, >=98% (HPLC)
  • Tryptantherin
  • Trypthanthrine
  • Indolo[2,1-b]quinazoline-6,12-dione, Couroupitine A, NSC 349447, TryptanthrinTryptanthrine,
  • Tryptanthrin (Standard)
  • 6H,12H-indolo[2,1-b]quinazoline-6,12-dione
  • Tryptanthrin - Bio-X trade mark
  • Indolo[21-b]quinazoline-612-dione
  • 11-hydrobenzo[d]quinazolino[3,2-a]azolidine-6,12-dione
  • Couroupitine A, NSC 349447, Triptantrin, Tryptanthrin, Tryptanthrine, indolo[2,1-b]quinazoline-6,12-dione

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
248.24 g/molcalc.
Exact mass
248.0586 Dacalc.
LogP (octanol/water)
1.93calc.
Topological polar surface area
51.96 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
19calc.
Rings
4calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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, O=C1c2ccccc2-n2c1nc1ccccc1c2=O

O=C1c2ccccc2-n2c1nc1ccccc1c2=O

4 rings, 19 atoms. This chemical is the scaffold itself.

40 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P501Dispose of contents and container in accordance with local regulations.

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

Tryptanthrin suppliers

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

All 22 suppliers
22 of 22 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

22 suppliers in 4 countries

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Tryptanthrin 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.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2939.79Indicative HS code

Alkaloids of vegetal origin, other than cocaine, ecgonine, salts, esters and other derivatives, not elsewhere…

World exports in 2024
$701M
+18.9% vs 2023, imports $830M
2019 to 2024
Top exporters
  1. Switzerland * partner reported25.3%
  2. Germany21.4%
  3. India * partner reported14.9%
Top importers
  1. United States20.9%
  2. Germany14.7%
  3. Italy14.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Tryptanthrin?

Tryptanthrine is an organonitrogen heterocyclic compound, an organic heterotetracyclic compound and an alkaloid antibiotic.

What is the CAS number of Tryptanthrin?

The CAS registry number of Tryptanthrin is 13220-57-0.

What is the molecular formula and weight of Tryptanthrin?

The molecular formula of Tryptanthrin is C15H8N2O2 and its molar mass is 248.24 g/mol.

Is Tryptanthrin hazardous?

Tryptanthrin carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Tryptanthrin?

Tryptanthrin is usually classified under HS code 293979 (Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tryptanthrin?

CompoundList lists 22 suppliers of Tryptanthrin in China, United States, Germany and United Kingdom. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tryptanthrin?

Suppliers quote Tryptanthrin 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 Tryptanthrin

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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