129886-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129886-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,8 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129886-97:
(8*1)+(7*2)+(6*9)+(5*8)+(4*8)+(3*6)+(2*9)+(1*7)=191
191 % 10 = 1
So 129886-97-1 is a valid CAS Registry Number.