yes, you can isolate pure thc. first you make oil (the purest oil you can) and then you go through a process with some other chemicals. it could be done at home, but it is very dangerous. i will be trying it once i have my lab setting. who knows when thatll be but ill get there soon enough. i see what youre sayin, but its two different chemicals. one could have a scent, one couldnt. for all we know thc could have a strong odor, and jwh could have none at all. or it could be the other way around. but ive read, in more than one place, that thc does not have a scent. im just curious, thats all. but the fact that i cannot find a definite answer just drives me crazy. it could be any question in the world. i have a hunger for knowledge and correct information.