1380504-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380504-20-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,5,0 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1380504-20:
(9*1)+(8*3)+(7*8)+(6*0)+(5*5)+(4*0)+(3*4)+(2*2)+(1*0)=130
130 % 10 = 0
So 1380504-20-0 is a valid CAS Registry Number.