4535-93-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4535-93-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,3 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4535-93:
(6*4)+(5*5)+(4*3)+(3*5)+(2*9)+(1*3)=97
97 % 10 = 7
So 4535-93-7 is a valid CAS Registry Number.