1048-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1048-89-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,4 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1048-89:
(6*1)+(5*0)+(4*4)+(3*8)+(2*8)+(1*9)=71
71 % 10 = 1
So 1048-89-1 is a valid CAS Registry Number.