56985-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56985-56-9 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 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 56985-56:
(7*5)+(6*6)+(5*9)+(4*8)+(3*5)+(2*5)+(1*6)=179
179 % 10 = 9
So 56985-56-9 is a valid CAS Registry Number.