121075-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121075-98-7 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, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121075-98:
(8*1)+(7*2)+(6*1)+(5*0)+(4*7)+(3*5)+(2*9)+(1*8)=97
97 % 10 = 7
So 121075-98-7 is a valid CAS Registry Number.