1,3-Benzenedicarboxaldehyde, 5-(chloromethyl)-, also known as 5-(chloromethyl)isophthalaldehyde, is an organic compound with the chemical formula C9H7ClO3. It is a derivative of isophthalaldehyde, featuring a chloromethyl group attached to the 5-position of the benzene ring. 1,3-Benzenedicarboxaldehyde, 5-(chloromethyl)- is characterized by its aldehyde functional groups at the 1 and 3 positions, which contribute to its reactivity. It is used as a building block in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity, it is typically handled under controlled conditions to prevent unwanted side reactions.
The CAS Registry Mumber 64891-88-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,9 and 1 respectively; the second part has 2 digits, 8 and 8 respectively. Calculate Digit Verification of CAS Registry Number 64891-88: (7*6)+(6*4)+(5*8)+(4*9)+(3*1)+(2*8)+(1*8)=169 169 % 10 = 9 So 64891-88-9 is a valid CAS Registry Number.