850221-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 850221-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,2,2 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 850221-28:
(8*8)+(7*5)+(6*0)+(5*2)+(4*2)+(3*1)+(2*2)+(1*8)=132
132 % 10 = 2
So 850221-28-2 is a valid CAS Registry Number.