1218058-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1218058-71-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,8,0,5 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1218058-71:
(9*1)+(8*2)+(7*1)+(6*8)+(5*0)+(4*5)+(3*8)+(2*7)+(1*1)=139
139 % 10 = 9
So 1218058-71-9 is a valid CAS Registry Number.