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22249-34-9

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22249-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22249-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,4 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22249-34:
(7*2)+(6*2)+(5*2)+(4*4)+(3*9)+(2*3)+(1*4)=89
89 % 10 = 9
So 22249-34-9 is a valid CAS Registry Number.

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