121075-34-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121075-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,7 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121075-34:
(8*1)+(7*2)+(6*1)+(5*0)+(4*7)+(3*5)+(2*3)+(1*4)=81
81 % 10 = 1
So 121075-34-1 is a valid CAS Registry Number.