129201-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129201-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,0 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129201-94:
(8*1)+(7*2)+(6*9)+(5*2)+(4*0)+(3*1)+(2*9)+(1*4)=111
111 % 10 = 1
So 129201-94-1 is a valid CAS Registry Number.