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1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one

Also known as: 1H,2H,3H-pyrido[2,3-b][1,4]oxazin-2-one, 1H-Pyrido[2,3-b]1,4oxazin-2-one, 1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one(9CI), 1H-pyrido[2,3-b][1,4]oxazin-2-one, 1H,3H-pyrido[2,3-b][1,4]oxazin-2-one

1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one (CAS 136742-83-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2O2 and a molecular weight of 150.13500 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
136742-83-1
Jingsj CID
J-1144497-6
Molecular Formula
C7H6N2O2
Molecular Weight
150.13500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass150.04300
PSA51.22000
LogP0.55050

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. 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 1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one?

The CAS number of 1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one is 136742-83-1.

What are the molecular formula and molecular weight of 1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one?

1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one has molecular formula C7H6N2O2 and molecular weight 150.13500 g/mol.

What are the upstream and downstream products of 1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one?

For 1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one, Upstream Products: 3-Amino-2(1H)-pyridinone, Chloroacetyl chloride, 2-Chloro-3-pyridinol; Downstream Products: 2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine.

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

Last updated:

How to cite: Jingsj. "1H-Pyrido[2,3-b][1,4]oxazin-2(3H)-one (CAS 136742-83-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144497-6 (accessed 2026-11-09).

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