210106-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210106-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,1,0 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 210106-05:
(8*2)+(7*1)+(6*0)+(5*1)+(4*0)+(3*6)+(2*0)+(1*5)=51
51 % 10 = 1
So 210106-05-1 is a valid CAS Registry Number.