3-(trimethylsilylethynyl)pyridine-4-carboxaldehyde is an organic compound characterized by its unique molecular structure. It features a pyridine ring, which is a six-membered aromatic ring containing one nitrogen atom, and a carbaldehyde group attached to the 4-position of the pyridine. The 3-position of the pyridine is substituted with a trimethylsilylethynyl group, which consists of a triple-bonded carbon (ethynyl) attached to a trimethylsilyl group. 3-(trimethylsilylethynyl)pyridine-4-carboxaldehyde is known for its reactivity and is used in various chemical syntheses, particularly in the formation of complex organic molecules. Its properties, such as stability and reactivity, make it a valuable intermediate in the preparation of pharmaceuticals and other specialty chemicals.
The CAS Registry Mumber 222167-62-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,1,6 and 7 respectively; the second part has 2 digits, 6 and 2 respectively. Calculate Digit Verification of CAS Registry Number 222167-62: (8*2)+(7*2)+(6*2)+(5*1)+(4*6)+(3*7)+(2*6)+(1*2)=106 106 % 10 = 6 So 222167-62-6 is a valid CAS Registry Number.