4411-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4411-98-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,1 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4411-98:
(6*4)+(5*4)+(4*1)+(3*1)+(2*9)+(1*8)=77
77 % 10 = 7
So 4411-98-7 is a valid CAS Registry Number.