891095-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 891095-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,1,0,9 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 891095-84:
(8*8)+(7*9)+(6*1)+(5*0)+(4*9)+(3*5)+(2*8)+(1*4)=204
204 % 10 = 4
So 891095-84-4 is a valid CAS Registry Number.