121053-30-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121053-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,5 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121053-30:
(8*1)+(7*2)+(6*1)+(5*0)+(4*5)+(3*3)+(2*3)+(1*0)=63
63 % 10 = 3
So 121053-30-3 is a valid CAS Registry Number.