Octadecanoyl chloride, also known as 2-bromo-octadecyl chloride, is an organic compound with the chemical formula C18H35BrCl. It is a derivative of octadecanoic acid, where the carboxylic acid group is replaced by a chloride, and a bromine atom is attached to the second carbon atom. Octadecanoyl chloride, 2-bromo- is a colorless to pale yellow liquid with a density of 0.98 g/cm3 and a melting point of 31-33°C. Octadecanoyl chloride is used as an intermediate in the synthesis of various chemicals, such as surfactants, pharmaceuticals, and lubricants. It is also employed in the preparation of fatty acid esters and amides. Due to its reactivity, it is essential to handle Octadecanoyl chloride, 2-bromo- with care, as it can cause irritation to the eyes, skin, and respiratory system.
The CAS Registry Mumber 7459-34-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,5 and 9 respectively; the second part has 2 digits, 3 and 4 respectively. Calculate Digit Verification of CAS Registry Number 7459-34: (6*7)+(5*4)+(4*5)+(3*9)+(2*3)+(1*4)=119 119 % 10 = 9 So 7459-34-9 is a valid CAS Registry Number.