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2-methyl-4H-pyrido[2,3-b]pyrazin-3-one

Also known as: 2-METHYL-4H-PYRIDO[2,3-B]PYRAZIN-3-ONE, 2-methyl-3H,4H-pyrido[2,3-b]pyrazin-3-one, 2-methyl-4H-pyrido<2,3-b>pyrazin-3-one, Pyrido[2,3-b]pyrazin-3(4H)-one, 2-methyl-

2-methyl-4H-pyrido[2,3-b]pyrazin-3-one (CAS 128102-80-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7N3O and a molecular weight of 161.16100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128102-80-7
Jingsj CID
J-1023339-3
Molecular Formula
C8H7N3O
Molecular Weight
161.16100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass161.05900
PSA58.64000
LogP0.62650

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 2-methyl-4H-pyrido[2,3-b]pyrazin-3-one?

The CAS number of 2-methyl-4H-pyrido[2,3-b]pyrazin-3-one is 128102-80-7.

What are the molecular formula and molecular weight of 2-methyl-4H-pyrido[2,3-b]pyrazin-3-one?

2-methyl-4H-pyrido[2,3-b]pyrazin-3-one has molecular formula C8H7N3O and molecular weight 161.16100 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. "2-methyl-4H-pyrido[2,3-b]pyrazin-3-one (CAS 128102-80-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1023339-3 (accessed 2026-11-09).

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