66857-96-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66857-96-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,5 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 66857-96:
(7*6)+(6*6)+(5*8)+(4*5)+(3*7)+(2*9)+(1*6)=183
183 % 10 = 3
So 66857-96-3 is a valid CAS Registry Number.