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90459-89-5

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90459-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90459-89-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,5 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90459-89:
(7*9)+(6*0)+(5*4)+(4*5)+(3*9)+(2*8)+(1*9)=155
155 % 10 = 5
So 90459-89-5 is a valid CAS Registry Number.

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