129746-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129746-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,4 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129746-25:
(8*1)+(7*2)+(6*9)+(5*7)+(4*4)+(3*6)+(2*2)+(1*5)=154
154 % 10 = 4
So 129746-25-4 is a valid CAS Registry Number.