Gadopentetic acid, sold under the brand name Magnevist, is a gadolinium-based MRI contrast agent.

It was described in 1981 by Hanns-Joachim Weinmann and colleagues[4] and introduced as the first MRI contrast agent in 1987 by the Schering AG.

Gadolinium based agents may cause a toxic reaction known as nephrogenic systemic fibrosis (NSF) in patients with severe kidney problems.

[5][6] Compared to other gadolinium-based MRI contrast agents, Gadopentetate dimeglumine (Gd-DTPA2-) chelates allow delayed Gadolinium-enhanced Magnetic Resonance of Cartilage (dGEMRIC).

The ninth coordination site is occupied by a water molecule.Sherry AD, Caravan P, Lenkinski RE (December 2009).