52939-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52939-42-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,3 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 52939-42:
(7*5)+(6*2)+(5*9)+(4*3)+(3*9)+(2*4)+(1*2)=141
141 % 10 = 1
So 52939-42-1 is a valid CAS Registry Number.