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320589-55-7

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320589-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 320589-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,5,8 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 320589-55:
(8*3)+(7*2)+(6*0)+(5*5)+(4*8)+(3*9)+(2*5)+(1*5)=137
137 % 10 = 7
So 320589-55-7 is a valid CAS Registry Number.

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