Cinoxacin

Also known as: Cinobac, Cinobactin, Uronorm, Noxigram, Compound 64716, NSC 304467, 1-Ethyl-1,4-dihydro-4-oxo[1,3]dioxolo[4,5-g]cinnoline-3-carboxylic acid, 1-Ethyl-6,7-methylenedioxy-4(1H)-oxocinnoline-3-carboxylic acid, Cinoxacine, Cinoxacino, Cinoxacinum

Cinoxacin (CAS 28657-80-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H10N2O5 and a molecular weight of 262.218 g/mol. Key properties include a melting point of 210 °C, a boiling point of 517.2±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 266.6±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 28657-80-9
Jingsj CID: J-35665-0
Molecular Formula: C₁₂H₁₀N₂O₅
Molecular Weight: 262.218 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	210 °C
Boiling Point	517.2±60.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	266.6±32.9 °C
Exact Mass	262.058960
PSA	90.65000
LogP	0.35
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.709

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. 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 Cinoxacin?

The CAS number of Cinoxacin is 28657-80-9.

What are the molecular formula and molecular weight of Cinoxacin?

Cinoxacin has molecular formula C12H10N2O5 and molecular weight 262.218 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. "Cinoxacin (CAS 28657-80-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35665-0 (accessed 2026-11-09).

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