566916-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 566916-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,6,9,1 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 566916-94:
(8*5)+(7*6)+(6*6)+(5*9)+(4*1)+(3*6)+(2*9)+(1*4)=207
207 % 10 = 7
So 566916-94-7 is a valid CAS Registry Number.