4-Hydroxy-ω-formylamino-acetophenon, also known as 4-hydroxy-N-formyl-acetanilide, is an organic compound with the chemical formula C9H9NO3. It is a derivative of acetophenone, featuring a hydroxyl group at the 4-position and a formyl group attached to the amino group. 4-Hydroxy-ω-formylamino-acetophenon is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. Its chemical structure consists of a benzene ring with a hydroxyl group at the 4-position, an acetamide group at the 1-position, and a formyl group attached to the nitrogen atom of the acetamide. The compound is known for its reactivity and can undergo various chemical transformations, making it a valuable building block in organic synthesis.
The CAS Registry Mumber 1823-78-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,2 and 3 respectively; the second part has 2 digits, 7 and 8 respectively. Calculate Digit Verification of CAS Registry Number 1823-78: (6*1)+(5*8)+(4*2)+(3*3)+(2*7)+(1*8)=85 85 % 10 = 5 So 1823-78-5 is a valid CAS Registry Number.