121175-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121175-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,7 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121175-15:
(8*1)+(7*2)+(6*1)+(5*1)+(4*7)+(3*5)+(2*1)+(1*5)=83
83 % 10 = 3
So 121175-15-3 is a valid CAS Registry Number.