1380298-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1380298-42-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,2,9 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1380298-42:
(9*1)+(8*3)+(7*8)+(6*0)+(5*2)+(4*9)+(3*8)+(2*4)+(1*2)=169
169 % 10 = 9
So 1380298-42-9 is a valid CAS Registry Number.