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71338-03-9

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71338-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71338-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,3,3 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71338-03:
(7*7)+(6*1)+(5*3)+(4*3)+(3*8)+(2*0)+(1*3)=109
109 % 10 = 9
So 71338-03-9 is a valid CAS Registry Number.

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