3-bromo-2-fluoro-4-hydroxy-benzaldehyde is an organic compound characterized by its molecular formula C7H4BrFO2. 3-bromo-2-fluoro-4-hydroxy-benzaldehyde features a benzene ring with a bromine atom at the 3-position, a fluorine atom at the 2-position, a hydroxyl group at the 4-position, and an aldehyde group at the 1-position. It is a halogenated derivative of benzaldehyde, which is a key component in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its unique structure, it exhibits specific reactivity and properties that make it valuable in organic synthesis and as a building block for more complex molecules.
The CAS Registry Mumber 7657-28-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,5 and 7 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 7657-28: (6*7)+(5*6)+(4*5)+(3*7)+(2*2)+(1*8)=125 125 % 10 = 5 So 7657-28-5 is a valid CAS Registry Number.