Editing Propylene oxide (section)

==Natural occurrence==
In 2016 it was reported that propylene oxide was detected in [[Sagittarius B2]], a cloud of gas in the [[Milky Way (galaxy)|Milky Way]] weighing three million [[solar mass]]es.  It is the first [[Chirality (chemistry)|chiral]] molecule to be detected in space, albeit with no [[enantiomeric excess]].<ref>{{cite web|url=http://www.sciencealert.com/scientists-just-detected-this-life-forming-molecule-in-interstellar-space-for-the-first-time|title=Scientists just detected this life-forming molecule in interstellar space for the first time|publisher=Science Alert|date=2016-06-15}}</ref>