Tri-hydroxy Dodecanoic Acid

Di-amino Di-hydroxy Suberic Acid, C8H16N2O6 Di-amino Tri-hydroxy Dodecanoic Acid, C12H26N2O5 These two amino acids can be given by name and empirical formula only, as their full constitution is unknown. The first is a derivative of the eight carbon di-basic acid known as suberic acid, HOOC—(CH2)6— COOH. The second is derived from the twelve carbon mono-basic acid, dodecanoic acid CH3(CH2)io—COOH. 

Proteins like fats and carbohydrates are substances of great biological importance. All three are esesntial organic constituents of every living cell. The most common examples of proteins are such substances as the white of egg, egg albumin the gummy substance in wheat, 

The complete percentage composition of proteins may be given as follows  

Sulphur o. 3-2.3 per cent Phosphorus 0.4-0.8 per cent (when present) 

Other elements, traces only (when present) 

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