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2-Brom-terephthalaldehydsaeure, also known as 2-bromoterephthalic aldehyde, is a chemical compound with the molecular formula C8H5BrO3. It is a derivative of terephthalic acid, featuring a bromine atom attached to the 2-position of the benzene ring and an aldehyde group at the end of the molecule. 2-Brom-terephthalaldehydsaeure is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and specialty chemicals. Due to its reactive bromine and aldehyde functional groups, 2-bromoterephthalic aldehyde can undergo a range of chemical reactions, making it a valuable building block in organic synthesis.

90001-44-8

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90001-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90001-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,0 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90001-44:
(7*9)+(6*0)+(5*0)+(4*0)+(3*1)+(2*4)+(1*4)=78
78 % 10 = 8
So 90001-44-8 is a valid CAS Registry Number.
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