1.0 2026-04-04 21:12:46 UTC 2026-08-22 17:00:28 UTC ß-Oxo-&lt;U+03B3&gt;-butyrolactone SmallMolecule ß-Oxo-γ-butyrolactone is an organic compound with the chemical formula C4H4O3 and an average molecular weight of 100.07 g/mol. ß-Oxo-γ-butyrolactone belongs to the gamma butyrolactones, a subclass of lactones within the organic compounds. Within the broader chemical hierarchy, it is categorized under the superclass of organoheterocyclic compounds. This substance has been identified in or released from 18 recorded sources. In the category of electrical and electronic equipment, it is found in antennas, auxiliary devices, coils, communication cables or conductors, adjustable resistors, and nine additional sources. It is also associated with building and construction materials, specifically in fencing, ladders, stairs, and ramps. Additionally, the compound is present in household cleaning and consumer products, such as soap dispensers. C4H4O3 100.07 100.016044 4971-56-6 C1C(=O)COC1=O InChI=1/C4H4O3/c5-3-1-4(6)7-2-3/h1-2H2 JCGNDDUYTRNOFT-UHFFFAOYSA-N Detected and Not Quantified logp -0.1 average_mass 100.07 ChemAxon mono_mass 100.016044 ChemAxon smiles C1C(=O)COC1=O ChemAxon formula C4H4O3 ChemAxon inchi InChI=1/C4H4O3/c5-3-1-4(6)7-2-3/h1-2H2 ChemAxon inchikey JCGNDDUYTRNOFT-UHFFFAOYSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f721fd13fd8> 521261