98993-95-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98993-95-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,9 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98993-95:
(7*9)+(6*8)+(5*9)+(4*9)+(3*3)+(2*9)+(1*5)=224
224 % 10 = 4
So 98993-95-4 is a valid CAS Registry Number.