129602-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129602-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,0 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129602-73:
(8*1)+(7*2)+(6*9)+(5*6)+(4*0)+(3*2)+(2*7)+(1*3)=129
129 % 10 = 9
So 129602-73-9 is a valid CAS Registry Number.