965-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 965-42-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,6 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 965-42:
(5*9)+(4*6)+(3*5)+(2*4)+(1*2)=94
94 % 10 = 4
So 965-42-4 is a valid CAS Registry Number.