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81232-18-0

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81232-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81232-18-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,3 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81232-18:
(7*8)+(6*1)+(5*2)+(4*3)+(3*2)+(2*1)+(1*8)=100
100 % 10 = 0
So 81232-18-0 is a valid CAS Registry Number.
InChI:InChI=1/C11H9N/c1-2-10-5-7-11(8-6-10)4-3-9-12/h2-8H,1H2/b4-3+

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