129241-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129241-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,4 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129241-89:
(8*1)+(7*2)+(6*9)+(5*2)+(4*4)+(3*1)+(2*8)+(1*9)=130
130 % 10 = 0
So 129241-89-0 is a valid CAS Registry Number.