Pyrido[2,3-b]pyrazin-2(1H)-one

Also known as: 1H-Pyrido[2,3-b]pyrazin-2-one, 5-Deazapteridine, 1,3,8-Triazanaphthalene, Pyrido[2,3-b]pyrazin-2(1h)-one

Pyrido[2,3-b]pyrazin-2(1H)-one (CAS 35252-03-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3O and a molecular weight of 147.13400 g/mol. Key property: a density of 1.479 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 35252-03-0
Jingsj CID: J-1333370-5
Molecular Formula: C₇H₅N₃O
Molecular Weight: 147.13400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.479 g/cm3
Exact Mass	147.04300
PSA	58.64000
LogP	0.31810

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 Pyrido[2,3-b]pyrazin-2(1H)-one?

The CAS number of Pyrido[2,3-b]pyrazin-2(1H)-one is 35252-03-0.

What are the molecular formula and molecular weight of Pyrido[2,3-b]pyrazin-2(1H)-one?

Pyrido[2,3-b]pyrazin-2(1H)-one has molecular formula C7H5N3O and molecular weight 147.13400 g/mol.

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. "Pyrido[2,3-b]pyrazin-2(1H)-one (CAS 35252-03-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1333370-5 (accessed 2026-11-09).

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