569660-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 569660-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,9,6,6 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 569660-83:
(8*5)+(7*6)+(6*9)+(5*6)+(4*6)+(3*0)+(2*8)+(1*3)=209
209 % 10 = 9
So 569660-83-9 is a valid CAS Registry Number.