1077-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1077-17-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,7 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1077-17:
(6*1)+(5*0)+(4*7)+(3*7)+(2*1)+(1*7)=64
64 % 10 = 4
So 1077-17-4 is a valid CAS Registry Number.