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77910-05-5

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77910-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77910-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,1 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77910-05:
(7*7)+(6*7)+(5*9)+(4*1)+(3*0)+(2*0)+(1*5)=145
145 % 10 = 5
So 77910-05-5 is a valid CAS Registry Number.

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