56986-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56986-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,8 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56986-87:
(7*5)+(6*6)+(5*9)+(4*8)+(3*6)+(2*8)+(1*7)=189
189 % 10 = 9
So 56986-87-9 is a valid CAS Registry Number.