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4-Bromo-benzoic acid (3-bromo-phenyl)-(1-methyl-1H-benzoimidazol-2-yl)-methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87772-43-8

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87772-43-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87772-43-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,7 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87772-43:
(7*8)+(6*7)+(5*7)+(4*7)+(3*2)+(2*4)+(1*3)=178
178 % 10 = 8
So 87772-43-8 is a valid CAS Registry Number.

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