CH5 explained

The abbreviations CH5, Ch5, and variations thereof may mean:

• , the chemical formula of methanium, an organic ion
• CH5 Deeside, part of the CH postcode area, Great Britain
• Bacteriocin CH5, an antibacterial produced by Lactobacillus acidophilus
• Chile Route 5, a highway in Chile
• C_H5, a type of cirrus cloud
• Channel 5 (disambiguation), a common name of television networks, channels and stations around the world
• 22291 Heitifer (1989 CH₅), a main-belt asteroid