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128280-44-4

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128280-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128280-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,8 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128280-44:
(8*1)+(7*2)+(6*8)+(5*2)+(4*8)+(3*0)+(2*4)+(1*4)=124
124 % 10 = 4
So 128280-44-4 is a valid CAS Registry Number.

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