919297-84-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 919297-84-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,9,2,9 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 919297-84:
(8*9)+(7*1)+(6*9)+(5*2)+(4*9)+(3*7)+(2*8)+(1*4)=220
220 % 10 = 0
So 919297-84-0 is a valid CAS Registry Number.