66960-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66960-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,6 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66960-23:
(7*6)+(6*6)+(5*9)+(4*6)+(3*0)+(2*2)+(1*3)=154
154 % 10 = 4
So 66960-23-4 is a valid CAS Registry Number.