54942-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54942-13-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,4 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54942-13:
(7*5)+(6*4)+(5*9)+(4*4)+(3*2)+(2*1)+(1*3)=131
131 % 10 = 1
So 54942-13-1 is a valid CAS Registry Number.