1380003-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380003-53-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,0,0 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1380003-53:
(9*1)+(8*3)+(7*8)+(6*0)+(5*0)+(4*0)+(3*3)+(2*5)+(1*3)=111
111 % 10 = 1
So 1380003-53-1 is a valid CAS Registry Number.