909728-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909728-81-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,7,2 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 909728-81:
(8*9)+(7*0)+(6*9)+(5*7)+(4*2)+(3*8)+(2*8)+(1*1)=210
210 % 10 = 0
So 909728-81-0 is a valid CAS Registry Number.