Desmethyl Erlotinib

去甲基厄洛替尼

Also known as: OSI-420, CP-473420, 6-O-Desmethyl Erlotinib, Erlotinib O-Desmethyl Metabolite, Erlotinib Impurity N, Erlotinib Hydrochloride Impurity 9, 2-((4-((3-ethynylphenyl)amino)-7-(2-methoxyethoxy)quinazolin-6-yl)oxy)ethanol

Desmethyl Erlotinib (CAS 183321-86-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H21N3O4 and a molecular weight of 379.409 g/mol. It is also known as OSI-420, CP-473420 and 6-O-Desmethyl Erlotinib. Key properties include a boiling point of 572.8±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 300.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
183321-86-0
Jingsj CID
J-1986666-2
Molecular Formula
C21H21N3O4
Chinese Name
去甲基厄洛替尼
Molecular Weight
379.409 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point572.8±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point300.2±30.1 °C

Frequently Asked Questions

What is the CAS number of Desmethyl Erlotinib?

The CAS number of Desmethyl Erlotinib is 183321-86-0.

What are the molecular formula and molecular weight of Desmethyl Erlotinib?

Desmethyl Erlotinib has molecular formula C21H21N3O4 and molecular weight 379.409 g/mol.

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

Last updated:

How to cite: Jingsj. "Desmethyl Erlotinib (CAS 183321-86-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986666-2 (accessed 2026-10-26).

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