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2-bromo-6-fluoro-benzofuran-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857062-40-9

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857062-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857062-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,0,6 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857062-40:
(8*8)+(7*5)+(6*7)+(5*0)+(4*6)+(3*2)+(2*4)+(1*0)=179
179 % 10 = 9
So 857062-40-9 is a valid CAS Registry Number.

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