57137-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57137-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,1,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57137-89:
(7*5)+(6*7)+(5*1)+(4*3)+(3*7)+(2*8)+(1*9)=140
140 % 10 = 0
So 57137-89-0 is a valid CAS Registry Number.