52789-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52789-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,8 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 52789-66:
(7*5)+(6*2)+(5*7)+(4*8)+(3*9)+(2*6)+(1*6)=159
159 % 10 = 9
So 52789-66-9 is a valid CAS Registry Number.