5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane

5-(4-甲氧基苯基)-3-甲基-1-氧杂-3-氮杂螺[5.5]十一烷

Also known as: (5RS)-5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane, Venlafaxine Cyclic Impurity, Venlafaxine EP Impurity E, Spiro venlafaxine, UNII-W0KZX6545W, 1-Oxa-3-azaspiro[5.5]undecane, 5-(4-methoxyphenyl)-3-methyl-

5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane (CAS 93413-70-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C17H25NO2 and a molecular weight of 275.38600 g/mol. It is also known as (5RS)-5-(4-Methoxyphenyl)-3-methyl-1-oxa-3-azaspiro[5.5]undecane, Venlafaxine Cyclic Impurity and Venlafaxine EP Impurity E. Key properties include a boiling point of 399.8ºC at 760 mmHg, a density of 1.09g/cm3 and a flash point of 135.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

93413-70-8

Jingsj CID

J-861913-8

Molecular Formula

C₁₇H₂₅NO₂

Chinese Name

5-(4-甲氧基苯基)-3-甲基-1-氧杂-3-氮杂螺[5.5]十一烷

Molecular Weight

275.38600 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026