56909-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56909-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,0 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56909-64:
(7*5)+(6*6)+(5*9)+(4*0)+(3*9)+(2*6)+(1*4)=159
159 % 10 = 9
So 56909-64-9 is a valid CAS Registry Number.