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69306-81-6

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69306-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69306-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,3,0 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69306-81:
(7*6)+(6*9)+(5*3)+(4*0)+(3*6)+(2*8)+(1*1)=146
146 % 10 = 6
So 69306-81-6 is a valid CAS Registry Number.
InChI:InChI=1/C19H16O8/c1-7-5-11(21)10(6-20)17-12(7)19(24)27-16-9(3)14(22)13(18(23)25-4)8(2)15(16)26-17/h5-6,21-22H,1-4H3

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