7-Amino-1,8-naphthyridin-2(8H)-one

Also known as: 2-Amino-7-hydroxy-1,8-naphthyridine, 2-Amino-1,8-naphthyridin-7-ol, 2-Amino-7-hydroxy-1,8-naphthridine, 7-Amino-1,8-naphthyridin-2(1H)-one, 7-Amino-1,8-naphthyridin-2-ol, 7-Amino-1,8-naphthyridin-2-one, 7-Amino-1,2-dihydro-1,8-naphthyridine-2-one, 7-Amino-8H-1,8-naphthyridin-2-one, 7-Amino-1H-1,8-naphthyridin-2-one

7-Amino-1,8-naphthyridin-2(8H)-one (CAS 1931-44-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7N3O and a molecular weight of 161.161 g/mol. Key properties include a melting point of >335°C (dec.), a boiling point of 415.6±38.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 205.2±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 1931-44-8
Jingsj CID: J-1357755-4
Molecular Formula: C₈H₇N₃O
Molecular Weight: 161.161 g/mol
Category: Ketones
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	>335°C (dec.)
Boiling Point	415.6±38.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	205.2±26.8 °C
Exact Mass	161.058914
PSA	71.77000
LogP	-1.56
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.734
Storage Conditions	-20°C Freezer

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 7-Amino-1,8-naphthyridin-2(8H)-one?

The CAS number of 7-Amino-1,8-naphthyridin-2(8H)-one is 1931-44-8.

What are the molecular formula and molecular weight of 7-Amino-1,8-naphthyridin-2(8H)-one?

7-Amino-1,8-naphthyridin-2(8H)-one has molecular formula C8H7N3O and molecular weight 161.161 g/mol.

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

Last updated: 11/3/2026

How to cite: Jingsj. "7-Amino-1,8-naphthyridin-2(8H)-one (CAS 1931-44-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357755-4 (accessed 2026-11-09).

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