(S)-diethyl 2-(4-(3-chloro-4-fluorophenylamino)-7-(tetrahydrofuran-3-yloxy)quinazolin-6-ylamino)-2-oxoethylphosphonate

Also known as: 4-[(3-chloro-4-fluorophenyl)amino]-6-[(diethoxyphosphoryl)acetylamino]-7-[(S)-(tetrahydrofuran-3-yl)oxy]quinazoline, Diethyl [2-({4-[(3-chloro-4-fluorophenyl)amino]-7-[(3S)-tetrahydro-3-furanyloxy]-6-quinazolinyl}amino)-2-oxoethyl]phosphonate, Diethyl {[4-(3-chloro-4-fluoro-phenylamino)-7-((S)-tetrahydrofuran-3-yloxy)-quinazolin-6-ylcarbamoyl]-methyl}-phosphonate, N-[4-(3-chloro-4-fluoroanilino)-7-[(3S)-oxolan-3-yl]oxyquinazolin-6-yl]-2-diethoxyphosphorylacetamide, Phosphonic acid, P-[2-[[4-[(3-chloro-4-fluorophenyl)amino]-7-[[(3S)-tetrahydro-3-furanyl]oxy]-6-quinazolinyl]amino]-2-oxoethyl]-, diethyl ester, QC-1120, diethyl ((4-(3-chloro-4-fluorophenylamino)-7-(S)-(tetrahydrofuran-3-yloxy)quinazoline-6-ylcarbamoyl)methyl)phosphonate, Afatinib Impurity 39, Afatinib Impurity 52, Afatinib Impurity 53

(S)-diethyl 2-(4-(3-chloro-4-fluorophenylamino)-7-(tetrahydrofuran-3-yloxy)quinazolin-6-ylamino)-2-oxoethylphosphonate (CAS 618061-76-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C24H27ClFN4O6P and a molecular weight of 552.919 g/mol. Key properties include a boiling point of 709.9±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 383.2±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

618061-76-0

Jingsj CID

J-1097006-6

Molecular Formula

C₂₄H₂₇ClFN₄O₆P

Molecular Weight

552.919 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026