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55-89-0

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55-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55-89-0 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 5 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55-89:
(4*5)+(3*5)+(2*8)+(1*9)=60
60 % 10 = 0
So 55-89-0 is a valid CAS Registry Number.

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