53654-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53654-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,5 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53654-75:
(7*5)+(6*3)+(5*6)+(4*5)+(3*4)+(2*7)+(1*5)=134
134 % 10 = 4
So 53654-75-4 is a valid CAS Registry Number.