3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one

Also known as: 3H,4H,5H-Pyridazino[4,5-b]indol-4-one, 4H-Pyridazino[4,5-b]indol-4-one, 3,5-dihydro-, 5H-Pyridazino[4,5-b]indol-4-ol, 9H-2,3,9-Triaza-fluoren-1-ol

3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one (CAS 22814-13-7) 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 185.18200 g/mol. Key property: a density of 1.55g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22814-13-7
Jingsj CID: J-1497630-8
Molecular Formula: C₁₀H₇N₃O
Molecular Weight: 185.18200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.55g/cm3
Exact Mass	185.05900
PSA	61.54000
LogP	1.40440
Refractive Index	1.798

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 3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one?

The CAS number of 3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one is 22814-13-7.

What are the molecular formula and molecular weight of 3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one?

3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one has molecular formula C10H7N3O and molecular weight 185.18200 g/mol.

What are the upstream and downstream products of 3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one?

For 3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one, Upstream Products: Ethyl 3-formyl-1H-indole-2-carboxylate, Ethyl indole-2-carboxylate, 1H-Indole-2-carbohydrazide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one (CAS 22814-13-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497630-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.