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27428-43-9

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27428-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27428-43-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,4,2 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27428-43:
(7*2)+(6*7)+(5*4)+(4*2)+(3*8)+(2*4)+(1*3)=119
119 % 10 = 9
So 27428-43-9 is a valid CAS Registry Number.

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