53117-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53117-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,1 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 53117-74:
(7*5)+(6*3)+(5*1)+(4*1)+(3*7)+(2*7)+(1*4)=101
101 % 10 = 1
So 53117-74-1 is a valid CAS Registry Number.