121760-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121760-16-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,6 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121760-16:
(8*1)+(7*2)+(6*1)+(5*7)+(4*6)+(3*0)+(2*1)+(1*6)=95
95 % 10 = 5
So 121760-16-5 is a valid CAS Registry Number.