210548-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210548-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,5,4 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 210548-20:
(8*2)+(7*1)+(6*0)+(5*5)+(4*4)+(3*8)+(2*2)+(1*0)=92
92 % 10 = 2
So 210548-20-2 is a valid CAS Registry Number.