(1-Ethyl-cyclohexyl)-phenyl ketone, also known as 1-ethyl-1-phenyl-cyclohexanone, is an organic compound with the molecular formula C15H22O. It is a colorless to pale yellow liquid with a distinctive odor. This ketone is characterized by a cyclohexane ring with an ethyl group attached to the first carbon and a phenyl group attached to the second carbon. It is used as a fragrance ingredient in the perfume industry, particularly in the creation of floral, fruity, and woody scents. The compound is also employed as a synthetic intermediate in the production of various chemicals and pharmaceuticals. Due to its complex structure, it is synthesized through a series of chemical reactions, often involving the use of strong acids or bases. It is important to handle (1-ethyl-cyclohexyl)-phenyl ketone with care, as it can be harmful if inhaled or absorbed through the skin, and it may cause irritation to the eyes and respiratory system.
The CAS Registry Mumber 2891-42-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,9 and 1 respectively; the second part has 2 digits, 4 and 2 respectively. Calculate Digit Verification of CAS Registry Number 2891-42: (6*2)+(5*8)+(4*9)+(3*1)+(2*4)+(1*2)=101 101 % 10 = 1 So 2891-42-1 is a valid CAS Registry Number.