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1188922-20-4

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1188922-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1188922-20-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,8,9,2 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1188922-20:
(9*1)+(8*1)+(7*8)+(6*8)+(5*9)+(4*2)+(3*2)+(2*2)+(1*0)=184
184 % 10 = 4
So 1188922-20-4 is a valid CAS Registry Number.

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