1380300-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380300-57-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,3,0 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1380300-57:
(9*1)+(8*3)+(7*8)+(6*0)+(5*3)+(4*0)+(3*0)+(2*5)+(1*7)=121
121 % 10 = 1
So 1380300-57-1 is a valid CAS Registry Number.