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52117-16-5

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52117-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52117-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,1 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 52117-16:
(7*5)+(6*2)+(5*1)+(4*1)+(3*7)+(2*1)+(1*6)=85
85 % 10 = 5
So 52117-16-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H7Br2Cl2NO/c14-7-1-3-9(4-2-7)18-13(17)10-5-8(16)6-11(15)12(10)19/h1-6,18H/b13-10-

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