7695-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7695-93-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,9 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7695-93:
(6*7)+(5*6)+(4*9)+(3*5)+(2*9)+(1*3)=144
144 % 10 = 4
So 7695-93-4 is a valid CAS Registry Number.