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568-81-0

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568-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 568-81-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,6 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 568-81:
(5*5)+(4*6)+(3*8)+(2*8)+(1*1)=90
90 % 10 = 0
So 568-81-0 is a valid CAS Registry Number.
InChI:InChI=1/C20H16/c1-13-11-15-7-4-6-10-18(15)20-14(2)17-9-5-3-8-16(17)12-19(13)20/h3-12H,1-2H3

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