775565-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 775565-57-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,5,5,6 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 775565-57:
(8*7)+(7*7)+(6*5)+(5*5)+(4*6)+(3*5)+(2*5)+(1*7)=216
216 % 10 = 6
So 775565-57-6 is a valid CAS Registry Number.