57837-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57837-88-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,3 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57837-88:
(7*5)+(6*7)+(5*8)+(4*3)+(3*7)+(2*8)+(1*8)=174
174 % 10 = 4
So 57837-88-4 is a valid CAS Registry Number.