976-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 976-84-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 976-84:
(5*9)+(4*7)+(3*6)+(2*8)+(1*4)=111
111 % 10 = 1
So 976-84-1 is a valid CAS Registry Number.