Delta-6 THC is short for Delta 6a10a THC, but it is also known as D6a and Delta-3 THC. The most significant difference between Delta 6 and Delta 8 is its chemical structure. Although both have similar properties, there are slight differences in how the chemicals are aligned. This results in a different type of high that is a little more tolerable for some people. At this time, no formal studies have been published on Δ6a10a THC, but from anecdotal responses, many people report feeling confident, less anxious, and more productive while using Δ6a10a THC.