Undecanoyl chloride, 11-cyano-, also known as 11-cyanoundecanoyl chloride, is an organic compound with the chemical formula C12H19ClN. It is a derivative of undecanoic acid, where the carboxylic acid group is replaced by a chlorine atom, and a cyano group is attached to the 11th carbon atom. Undecanoyl chloride, 11-cyano- is a colorless liquid with a pungent odor and is used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity, it is typically handled with care and stored under controlled conditions to prevent unwanted reactions.
The CAS Registry Mumber 35042-91-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,0,4 and 2 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 35042-91: (7*3)+(6*5)+(5*0)+(4*4)+(3*2)+(2*9)+(1*1)=92 92 % 10 = 2 So 35042-91-2 is a valid CAS Registry Number.