57380-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57380-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,8 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57380-63:
(7*5)+(6*7)+(5*3)+(4*8)+(3*0)+(2*6)+(1*3)=139
139 % 10 = 9
So 57380-63-9 is a valid CAS Registry Number.