Erlotinib impurity B

厄洛替尼杂质B

Also known as: 4-Quinazolinamine, 6-(2-chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-, 6-(2-Chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-4-quinazolinamine, 6-(2-chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)quinazolin-4-amine, 6-O-Chloroethyl Erlotinib, Erlotinib Impurity 3, Erlotinib Impurity 45, Erlotinib impurity, 6-(2-methoxyethoxy)-7-(2-chloroethoxy), MFCD25976561

Erlotinib impurity B (CAS 183321-83-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H20ClN3O3 and a molecular weight of 397.855 g/mol. It is also known as 4-Quinazolinamine, 6-(2-chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-, 6-(2-Chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-4-quinazolinamine and 6-(2-chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)quinazolin-4-amine. Key properties include a boiling point of 556.8±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 290.5±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

183321-83-7

Jingsj CID

J-1528910-6

Molecular Formula

C₂₁H₂₀ClN₃O₃

Chinese Name

厄洛替尼杂质B

Molecular Weight

397.855 g/mol

Category

Organic Compounds

Last updated

8/21/2026