
C21H30O5 Â is its molecular formula
The hydroxyl groups at positions 17 and 21 and the oxo groups at positions 3, 11, and 20
They are substituted in the C21 steroid cortisone. Both a mouse and a human metabolite, it serves a purpose.
A chemical formula is a way to communicate information in chemistry about the proportions of atoms that make up a specific chemical compound or molecule. Chemical element symbols, numbers, and occasionally other symbols like parentheses, dashes, brackets, commas, and plus and minus signs are used to represent the chemical elements .
A molecule's molecular formula reveals which atoms and how many of each kind are included within it. No subscript is used if there is just one atom of a certain kind. A subscript is added to the symbol for an atom if it contains two or more of a certain type of atom.
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