118924-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118924-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,9,2 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118924-71:
(8*1)+(7*1)+(6*8)+(5*9)+(4*2)+(3*4)+(2*7)+(1*1)=143
143 % 10 = 3
So 118924-71-3 is a valid CAS Registry Number.