N-methyl-2-pyrrolidone

N-methyl-2-pyrrolidone is a chemical compound registered under number CAS 872-50-4, with the molecular formula C₅H₉NO, and a molar mass of 99.13 g/mol.

The molecule contains 16 atoms connected by 16 chemical bonds. The full systematic IUPAC name of this compound is 1-methylpyrrolidin-2-one. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = -0.5 (negative value, a hydrophilic compound), polar surface area PSA = 20.3 Ų, 0 donors and 1 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Molecular formula	C5H9NO
Masa molowa	99.13 g/mol
IUPAC	1-methylpyrrolidin-2-one
SMILES	CN1CCCC1=O
InChIKey	SECXISVLQFMRJM-UHFFFAOYSA-N
logP (XLogP3)	-0.5
PSA	20.3 Ų
HBD / HBA	0 / 1
PubChem CID	CID 13387 ↗

Signal word: Danger

? — H360D

H335 — Może powodować podrażnienie dróg oddechowych

H315 — Działa drażniąco na skórę

H319 — Działa drażniąco na oczy

1-METHYL-2-PYRROLIDINONE · 872-50-4 · N-Methyl-2-pyrrolidone · N-Methylpyrrolidone · N-Methyl-2-pyrrolidinone · Methylpyrrolidone · 1-Methyl-2-pyrrolidone · 1-Methylpyrrolidone · Methyl pyrrolidone · N-Methylpyrrolidinone · 1-Methylpyrrolidinone · n-methyl-pyrrolidone · 1-Methyl-5-pyrrolidinone · 2-Pyrrolidinone, 1-methyl- · 1-Methylazacyclopentan-2-one

• 📊 PubChem CID 13387 — NIH
• 🔬 NIST WebBook — spektroskopia
• 🌐 Wikidata
• 💊 ChEMBL — bioaktywność