5,5-Dimethyl-4-phenyl-1-pyrroline N-oxide

5,5-二甲基-4-苯基-1-吡咯啉-N-氧化物

Also known as: 2,2-dimethyl-1-oxido-3-phenyl-3,4-dihydropyrrol-1-ium, 2,2-dimethyl-3-phenyl-3,4-dihydro-2H-pyrrole 1-oxide, 2H-Pyrrole, 3,4-dihydro-2,2-dimethyl-3-phenyl-, 1-oxide, 4-phenyl-5,5-dimethyl-1-pyrroline-N-oxide, 4PDMPO, 5,5-dimethyl-4-phenyl-1-pyrroline 1-oxide, DMPPO

5,5-Dimethyl-4-phenyl-1-pyrroline N-oxide (CAS 20894-18-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H15NO and a molecular weight of 189.25400 g/mol. It is also known as 2,2-dimethyl-1-oxido-3-phenyl-3,4-dihydropyrrol-1-ium, 2,2-dimethyl-3-phenyl-3,4-dihydro-2H-pyrrole 1-oxide and 2H-Pyrrole, 3,4-dihydro-2,2-dimethyl-3-phenyl-, 1-oxide. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20894-18-2
Jingsj CID: J-13593-1
Molecular Formula: C₁₂H₁₅NO
Chinese Name: 5,5-二甲基-4-苯基-1-吡咯啉-N-氧化物
Molecular Weight: 189.25400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5,5-Dimethyl-4-phenyl-1-pyrroline N-oxide?

The CAS number of 5,5-Dimethyl-4-phenyl-1-pyrroline N-oxide is 20894-18-2.

What are the molecular formula and molecular weight of 5,5-Dimethyl-4-phenyl-1-pyrroline N-oxide?

5,5-Dimethyl-4-phenyl-1-pyrroline N-oxide has molecular formula C12H15NO and molecular weight 189.25400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5,5-Dimethyl-4-phenyl-1-pyrroline N-oxide (CAS 20894-18-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13593-1 (accessed 2026-10-23).

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