5090-75-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5090-75-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,9 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5090-75:
(6*5)+(5*0)+(4*9)+(3*0)+(2*7)+(1*5)=85
85 % 10 = 5
So 5090-75-5 is a valid CAS Registry Number.