Tryptanthrin
Also known as: Indolo[2,1-b]quinazoline-6,12-dione, Tryptanthrine, Couroupitine A, 6,12-Dihydroindolo[2,1-b]quinazoline-6,12-dione, NSC 349447, Trypanthrine
Tryptanthrin (CAS 13220-57-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C15H8N2O2 and a molecular weight of 248.23600 g/mol. Key properties include a boiling point of 469.3ºC at 760 mmHg, a density of 1.45g/cm3 and a flash point of 237.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13220-57-0
- Jingsj CID
- J-26509-2
- Molecular Formula
- C15H8N2O2
- Molecular Weight
- 248.23600 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 469.3ºC at 760 mmHg |
|---|---|
| Density | 1.45g/cm3 |
| Flash Point | 237.7ºC |
| Exact Mass | 248.05900 |
| PSA | 51.96000 |
| LogP | 1.93010 |
| Vapor Pressure | 5.55E-09mmHg at 25°C |
| Refractive Index | 1.762 |
Activity & Biological Data
| Target | IC50: 10 µM (LT formation in human whole blood)[1] |
|---|---|
| Additional Information | [1]. Pergola C, et al. On the inhibition of 5-lipoxygenase product formation by tryptanthrin: mechanistic studies and efficacy in vivo.Br J Pharmacol. 2012 Feb;165(3):765-76. |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Tryptanthrin?
The CAS number of Tryptanthrin is 13220-57-0.
What are the molecular formula and molecular weight of Tryptanthrin?
Tryptanthrin has molecular formula C15H8N2O2 and molecular weight 248.23600 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tryptanthrin (CAS 13220-57-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26509-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.