N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[[[2-(methylsulfonyl)ethyl-d4]amino]methyl]-2-furanyl]-4-quinazolinamine,4-methylbenzenesulfonicacid

Also known as: Lapatinib-d4 (tosylate)

N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[[[2-(methylsulfonyl)ethyl-d4]amino]methyl]-2-furanyl]-4-quinazolinamine,4-methylbenzenesulfonicacid (CAS 2749856-05-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C43H42ClFN4O10S3 and a molecular weight of 929.5 g/mol. It is also known as Lapatinib-d4 (tosylate). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2749856-05-9
Jingsj CID
J-1224334-9
Molecular Formula
C43H42ClFN4O10S3
Molecular Weight
929.5 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[[[2-(methylsulfonyl)ethyl-d4]amino]methyl]-2-furanyl]-4-quinazolinamine,4-methylbenzenesulfonicacid?

The CAS number of N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[[[2-(methylsulfonyl)ethyl-d4]amino]methyl]-2-furanyl]-4-quinazolinamine,4-methylbenzenesulfonicacid is 2749856-05-9.

What are the molecular formula and molecular weight of N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[[[2-(methylsulfonyl)ethyl-d4]amino]methyl]-2-furanyl]-4-quinazolinamine,4-methylbenzenesulfonicacid?

N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[[[2-(methylsulfonyl)ethyl-d4]amino]methyl]-2-furanyl]-4-quinazolinamine,4-methylbenzenesulfonicacid has molecular formula C43H42ClFN4O10S3 and molecular weight 929.5 g/mol.

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

Last updated:

How to cite: Jingsj. "N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5-[[[2-(methylsulfonyl)ethyl-d4]amino]methyl]-2-furanyl]-4-quinazolinamine,4-methylbenzenesulfonicacid (CAS 2749856-05-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1224334-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.