81695-57-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81695-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81695-57:
(7*8)+(6*1)+(5*6)+(4*9)+(3*5)+(2*5)+(1*7)=160
160 % 10 = 0
So 81695-57-0 is a valid CAS Registry Number.