853221-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 853221-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,2,2 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 853221-07:
(8*8)+(7*5)+(6*3)+(5*2)+(4*2)+(3*1)+(2*0)+(1*7)=145
145 % 10 = 5
So 853221-07-5 is a valid CAS Registry Number.