17993-95-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17993-95-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,9 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17993-95:
(7*1)+(6*7)+(5*9)+(4*9)+(3*3)+(2*9)+(1*5)=162
162 % 10 = 2
So 17993-95-2 is a valid CAS Registry Number.