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189043-21-8

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189043-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189043-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,0,4 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189043-21:
(8*1)+(7*8)+(6*9)+(5*0)+(4*4)+(3*3)+(2*2)+(1*1)=148
148 % 10 = 8
So 189043-21-8 is a valid CAS Registry Number.

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