975-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 975-99-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 975-99:
(5*9)+(4*7)+(3*5)+(2*9)+(1*9)=115
115 % 10 = 5
So 975-99-5 is a valid CAS Registry Number.