5905-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5905-97-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,0 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5905-97:
(6*5)+(5*9)+(4*0)+(3*5)+(2*9)+(1*7)=115
115 % 10 = 5
So 5905-97-5 is a valid CAS Registry Number.