909856-00-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909856-00-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,8,5 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 909856-00:
(8*9)+(7*0)+(6*9)+(5*8)+(4*5)+(3*6)+(2*0)+(1*0)=204
204 % 10 = 4
So 909856-00-4 is a valid CAS Registry Number.