10218-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10218-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,2,1 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 10218-70:
(7*1)+(6*0)+(5*2)+(4*1)+(3*8)+(2*7)+(1*0)=59
59 % 10 = 9
So 10218-70-9 is a valid CAS Registry Number.