Cholesterol has a total of 27 carbon atoms. Of these, 8 carbons are not contained in the four rings of the steroid structure.
The structure appears to have 8 chiral carbons.
6 carbons 6 carbons
5 carbons
there are 4 carbons in oxaloacetic acid
butane has four carbons
There are four carbons in succinyl CoA.
Pyruvic acid is C3H4O3 and has 3 carbon atoms.
17
5
7
21