566883-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 566883-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,6,8,8 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 566883-81:
(8*5)+(7*6)+(6*6)+(5*8)+(4*8)+(3*3)+(2*8)+(1*1)=216
216 % 10 = 6
So 566883-81-6 is a valid CAS Registry Number.