Friedel-18-ene is a chemical compound with the molecular formula C18H34. It is a linear, unsaturated hydrocarbon belonging to the alkene class, characterized by the presence of a carbon-carbon double bond. The compound is named after the French chemist Charles Friedel, who, along with James Mason Crafts, developed the Friedel-Crafts reaction, a significant method for alkylation of aromatic compounds. Friedel-18-ene is a colorless liquid with a density of approximately 0.77 g/cm3 and a boiling point of around 300°C. It is insoluble in water but soluble in organic solvents. Friedel-18-ene is primarily used as an intermediate in the synthesis of various chemicals, including pharmaceuticals, fragrances, and lubricants. Due to its chemical structure, Friedel-18-ene can undergo various reactions such as hydrogenation, halogenation, and oxidation, making it a versatile building block in organic chemistry.
The CAS Registry Mumber 3391-15-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,9 and 1 respectively; the second part has 2 digits, 1 and 5 respectively. Calculate Digit Verification of CAS Registry Number 3391-15: (6*3)+(5*3)+(4*9)+(3*1)+(2*1)+(1*5)=79 79 % 10 = 9 So 3391-15-9 is a valid CAS Registry Number.