90534-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90534-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,5,3 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90534-53:
(7*9)+(6*0)+(5*5)+(4*3)+(3*4)+(2*5)+(1*3)=125
125 % 10 = 5
So 90534-53-5 is a valid CAS Registry Number.