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127744-31-4

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127744-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127744-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,4 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 127744-31:
(8*1)+(7*2)+(6*7)+(5*7)+(4*4)+(3*4)+(2*3)+(1*1)=134
134 % 10 = 4
So 127744-31-4 is a valid CAS Registry Number.

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