612530-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 612530-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,2,5,3 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 612530-91:
(8*6)+(7*1)+(6*2)+(5*5)+(4*3)+(3*0)+(2*9)+(1*1)=123
123 % 10 = 3
So 612530-91-3 is a valid CAS Registry Number.