1009813-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009813-71-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,8,1 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1009813-71:
(9*1)+(8*0)+(7*0)+(6*9)+(5*8)+(4*1)+(3*3)+(2*7)+(1*1)=131
131 % 10 = 1
So 1009813-71-1 is a valid CAS Registry Number.