54901-62-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54901-62-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,0 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54901-62:
(7*5)+(6*4)+(5*9)+(4*0)+(3*1)+(2*6)+(1*2)=121
121 % 10 = 1
So 54901-62-1 is a valid CAS Registry Number.