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128770-26-3

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128770-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128770-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,7 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128770-26:
(8*1)+(7*2)+(6*8)+(5*7)+(4*7)+(3*0)+(2*2)+(1*6)=143
143 % 10 = 3
So 128770-26-3 is a valid CAS Registry Number.

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