56905-09-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56905-09-0 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 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56905-09:
(7*5)+(6*6)+(5*9)+(4*0)+(3*5)+(2*0)+(1*9)=140
140 % 10 = 0
So 56905-09-0 is a valid CAS Registry Number.