57338-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57338-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,3 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57338-89:
(7*5)+(6*7)+(5*3)+(4*3)+(3*8)+(2*8)+(1*9)=153
153 % 10 = 3
So 57338-89-3 is a valid CAS Registry Number.