1380243-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380243-15-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,2,4 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1380243-15:
(9*1)+(8*3)+(7*8)+(6*0)+(5*2)+(4*4)+(3*3)+(2*1)+(1*5)=131
131 % 10 = 1
So 1380243-15-1 is a valid CAS Registry Number.