210830-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210830-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,8,3 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 210830-70:
(8*2)+(7*1)+(6*0)+(5*8)+(4*3)+(3*0)+(2*7)+(1*0)=89
89 % 10 = 9
So 210830-70-9 is a valid CAS Registry Number.