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299453-09-1

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299453-09-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 299453-09-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,4,5 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 299453-09:
(8*2)+(7*9)+(6*9)+(5*4)+(4*5)+(3*3)+(2*0)+(1*9)=191
191 % 10 = 1
So 299453-09-1 is a valid CAS Registry Number.

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