1.0 2026-04-05 19:44:13 UTC 2026-08-23 00:36:58 UTC Methyl hydrogen fumarate SmallMolecule Methyl hydrogen fumarate is an organic compound with the chemical formula C5H6O4 and an average molecular weight of 130.10 g/mol. Methyl hydrogen fumarate belongs to the fatty acid esters, a subclass of fatty acyls within the organic compounds. This substance is found in or released from seven recorded sources. These include building and construction materials such as fencing and ceilings, as well as household cleaning and consumer products specifically tobacco product cases. Additionally, it is associated with electrical and electronic equipment, including power cables, magnets, communication cables or conductors, and auxiliary devices. In terms of health effects, methyl hydrogen fumarate is used as a treatment for multiple sclerosis (PMC8869199). C5H6O4 130.099 130.0266087 2756-87-8 COC(=O)C=CC(=O)O InChI=1/C5H6O4/c1-9-5(8)3-2-4(6)7/h2-3H,1H3,(H,6,7) NKHAVTQWNUWKEO-NSCUHMNNSA-N Detected and Not Quantified Monomethyl fumarate Drug Metabolism Action Pathway SMP0145134 logp 0.34 average_mass 130.099 ChemAxon mono_mass 130.0266087 ChemAxon smiles COC(=O)C=CC(=O)O ChemAxon formula C5H6O4 ChemAxon inchi InChI=1/C5H6O4/c1-9-5(8)3-2-4(6)7/h2-3H,1H3,(H,6,7) ChemAxon inchikey NKHAVTQWNUWKEO-NSCUHMNNSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f721f47a520> DB14219 5369209