1108-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1108-70-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,0 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1108-70:
(6*1)+(5*1)+(4*0)+(3*8)+(2*7)+(1*0)=49
49 % 10 = 9
So 1108-70-9 is a valid CAS Registry Number.