130569-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130569-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,5,6 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 130569-91:
(8*1)+(7*3)+(6*0)+(5*5)+(4*6)+(3*9)+(2*9)+(1*1)=124
124 % 10 = 4
So 130569-91-4 is a valid CAS Registry Number.