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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.

64891-88-9

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64891-88-9 Usage

Check Digit Verification of cas no

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.

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