129103-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129103-68-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,0 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129103-68:
(8*1)+(7*2)+(6*9)+(5*1)+(4*0)+(3*3)+(2*6)+(1*8)=110
110 % 10 = 0
So 129103-68-0 is a valid CAS Registry Number.