1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one

Also known as: 1-piperidin-4-yl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one, 1,3-dihydro-1-(4-piperidinyl)-2H-imidazo[4,5-b]pyridin-2-one, 1-(4-piperidyl)imidazo[4,5-b]pyridin-2(3H)-one, 1-(4-piperidyl)-3H-imidazo[4,5-b]pyridin-2-one, 1-Piperidin-4-yl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one, 2H-Imidazo[4,5-b]pyridin-2-one, 1,3-dihydro-1-(4-piperidinyl)-, Rimegepant Impurity 59, Rimegepant Impurity 6, BMS-973013

1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one (CAS 185961-99-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H14N4O and a molecular weight of 218.25500 g/mol. Key property: a density of 1.272g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 185961-99-3
Jingsj CID: J-1123980-8
Molecular Formula: C₁₁H₁₄N₄O
Molecular Weight: 218.25500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.272g/cm3
Exact Mass	218.11700
PSA	62.97000
LogP	1.39020
Refractive Index	1.601
Storage Conditions	2-8°C

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 1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one?

The CAS number of 1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one is 185961-99-3.

What are the molecular formula and molecular weight of 1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one?

1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one has molecular formula C11H14N4O and molecular weight 218.25500 g/mol.

What are the upstream and downstream products of 1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one?

For 1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one, Upstream Products: tert-Butyl 4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxylate, 3-Amino-2-chloropyridine, Ethyl 4-amino-1-piperidinecarboxylate.

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. "1-(piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one (CAS 185961-99-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1123980-8 (accessed 2026-11-09).

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