66286-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66286-64-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,8 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 66286-64:
(7*6)+(6*6)+(5*2)+(4*8)+(3*6)+(2*6)+(1*4)=154
154 % 10 = 4
So 66286-64-4 is a valid CAS Registry Number.