3H-Pyrimido[5,4-b]indol-4(5H)-one
3,5-二氢-4H-嘧啶并[5,4-b]吲哚-4-酮
Also known as: 1,5-Dihydro-4H-pyrimido[5,4-b]indol-4-one, 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro-, 1,5-dihydropyrimido[5,4-b]indol-4-one, 2,9-Dihydro-2,4,9-triaza-fluoren-1-one, 3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one
3H-Pyrimido[5,4-b]indol-4(5H)-one (CAS 61553-71-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7N3O and a molecular weight of 185.182 g/mol. It is also known as 1,5-Dihydro-4H-pyrimido[5,4-b]indol-4-one, 4H-Pyrimido[5,4-b]indol-4-one, 3,5-dihydro- and 1,5-dihydropyrimido[5,4-b]indol-4-one. Key properties include a boiling point of 465.1±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 235.1±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 61553-71-7
- Jingsj CID
- J-1127237-3
- Molecular Formula
- C10H7N3O
- Chinese Name
- 3,5-二氢-4H-嘧啶并[5,4-b]吲哚-4-酮
- Molecular Weight
- 185.182 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 465.1±37.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 235.1±26.5 °C |
Frequently Asked Questions
What is the CAS number of 3H-Pyrimido[5,4-b]indol-4(5H)-one?
The CAS number of 3H-Pyrimido[5,4-b]indol-4(5H)-one is 61553-71-7.
What are the molecular formula and molecular weight of 3H-Pyrimido[5,4-b]indol-4(5H)-one?
3H-Pyrimido[5,4-b]indol-4(5H)-one has molecular formula C10H7N3O and molecular weight 185.182 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3H-Pyrimido[5,4-b]indol-4(5H)-one (CAS 61553-71-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1127237-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.