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109297-73-6

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109297-73-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109297-73-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,2,9 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 109297-73:
(8*1)+(7*0)+(6*9)+(5*2)+(4*9)+(3*7)+(2*7)+(1*3)=146
146 % 10 = 6
So 109297-73-6 is a valid CAS Registry Number.
InChI:InChI=1/C18H23IN2/c1-2-6-21-11-12(9-19)7-15-14-4-3-5-16-18(14)13(10-20-16)8-17(15)21/h3-5,10,12,15,17,20H,2,6-9,11H2,1H3/t12-,15?,17+/m0/s1

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