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93981-16-9

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93981-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93981-16-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,8 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 93981-16:
(7*9)+(6*3)+(5*9)+(4*8)+(3*1)+(2*1)+(1*6)=169
169 % 10 = 9
So 93981-16-9 is a valid CAS Registry Number.
InChI:InChI=1/C13H13N3S.C7H8O3S/c1-16-6-7-17-12(16)8-11-9-4-2-3-5-10(9)13(14)15-11;1-6-2-4-7(5-3-6)11(8,9)10/h2-5,8,14H,6-7H2,1H3;2-5H,1H3,(H,8,9,10)

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