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1646598-05-1

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1646598-05-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1646598-05-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,6,5,9 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1646598-05:
(9*1)+(8*6)+(7*4)+(6*6)+(5*5)+(4*9)+(3*8)+(2*0)+(1*5)=211
211 % 10 = 1
So 1646598-05-1 is a valid CAS Registry Number.

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