129718-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129718-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,1 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129718-06:
(8*1)+(7*2)+(6*9)+(5*7)+(4*1)+(3*8)+(2*0)+(1*6)=145
145 % 10 = 5
So 129718-06-5 is a valid CAS Registry Number.