891202-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 891202-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,1,2,0 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 891202-05:
(8*8)+(7*9)+(6*1)+(5*2)+(4*0)+(3*2)+(2*0)+(1*5)=154
154 % 10 = 4
So 891202-05-4 is a valid CAS Registry Number.