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2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one

Also known as: Vardenafil intermediate, Desulfovardenafil, Vardenafil Related Compound 1, Vardenafil Dessulfonyl Impurity, 2-(2-Ethoxyphenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one, 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazol[5,1-f][1,2,4]triazin-4-one, 2-(2-ethoxyphenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4-ol, Imidazo[5,1-f][1,2,4]triazin-4(3H)-one, 2-(2-ethoxyphenyl)-5-methyl-7-propyl-

2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one (CAS 224789-21-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H20N4O2 and a molecular weight of 312.366 g/mol. Key properties include a melting point of 198-200ºC, a boiling point of 519.7±52.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 268.1±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
224789-21-3
Jingsj CID
J-1407175-1
Molecular Formula
C17H20N4O2
Molecular Weight
312.366 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point198-200ºC
Boiling Point519.7±52.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point268.1±30.7 °C
Exact Mass312.158630
PSA72.28000
LogP2.23
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.632

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-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one?

The CAS number of 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one is 224789-21-3.

What are the molecular formula and molecular weight of 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one?

2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one has molecular formula C17H20N4O2 and molecular weight 312.366 g/mol.

What are the upstream and downstream products of 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one?

For 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one, Upstream Products: 2-Butyramidopropanoic acid, 2-ethoxybenzamidine hydrochloride, Ethyl oxalyl monochloride; Downstream Products: Vardenafil, 4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydroimidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonyl chloride.

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-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one (CAS 224789-21-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1407175-1 (accessed 2026-11-09).

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