23560-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23560-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,6 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23560-66:
(7*2)+(6*3)+(5*5)+(4*6)+(3*0)+(2*6)+(1*6)=99
99 % 10 = 9
So 23560-66-9 is a valid CAS Registry Number.