1-(2-Chloro-4-hydroxy-phenyl)-propan-1-one, also known as 2'-chloro-4'-hydroxyacetophenone, is an organic compound with the chemical formula C9H9ClO2. It is a derivative of acetophenone, featuring a chlorine atom at the 2-position and a hydroxyl group at the 4-position on the phenyl ring. 1-<2-Chlor-4-hydroxy-phenyl>-propan-1-on is a colorless to pale yellow solid and is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity, it is important to handle this chemical with care, as it may undergo further reactions, such as substitution or elimination, under certain conditions.
The CAS Registry Mumber 2892-21-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,9 and 2 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 2892-21: (6*2)+(5*8)+(4*9)+(3*2)+(2*2)+(1*1)=99 99 % 10 = 9 So 2892-21-9 is a valid CAS Registry Number.