3,4-dihydronaphthalene-2-carboxamide is a chemical compound with the molecular formula C11H11NO. It is a derivative of naphthalene, a cyclic aromatic hydrocarbon, and is characterized by the presence of a carboxamide group (-CONH2) attached to the 2-position of the naphthalene ring. 3,4-dihydronaphthalene-2-carboxamide is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly those containing the 3,4-dihydronaphthalene core structure. Due to its versatile chemical properties, it can undergo further reactions such as oxidation, reduction, and substitution, making it a valuable building block in organic chemistry.
The CAS Registry Mumber 5691-25-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,9 and 1 respectively; the second part has 2 digits, 2 and 5 respectively. Calculate Digit Verification of CAS Registry Number 5691-25: (6*5)+(5*6)+(4*9)+(3*1)+(2*2)+(1*5)=108 108 % 10 = 8 So 5691-25-8 is a valid CAS Registry Number.