74985-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74985-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,8 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74985-66:
(7*7)+(6*4)+(5*9)+(4*8)+(3*5)+(2*6)+(1*6)=183
183 % 10 = 3
So 74985-66-3 is a valid CAS Registry Number.