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449738-54-9

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449738-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 449738-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,9,7,3 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 449738-54:
(8*4)+(7*4)+(6*9)+(5*7)+(4*3)+(3*8)+(2*5)+(1*4)=199
199 % 10 = 9
So 449738-54-9 is a valid CAS Registry Number.

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