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5-Bromo-2-oxo-benzoimidazole-1,3-dicarboxylic acid 1-tert-butyl ester 3-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1026735-66-9

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1026735-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1026735-66-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,7,3 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1026735-66:
(9*1)+(8*0)+(7*2)+(6*6)+(5*7)+(4*3)+(3*5)+(2*6)+(1*6)=139
139 % 10 = 9
So 1026735-66-9 is a valid CAS Registry Number.

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