52669-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52669-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,6,6 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52669-93:
(7*5)+(6*2)+(5*6)+(4*6)+(3*9)+(2*9)+(1*3)=149
149 % 10 = 9
So 52669-93-9 is a valid CAS Registry Number.