1049980-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1049980-72-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,9,9,8 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1049980-72:
(9*1)+(8*0)+(7*4)+(6*9)+(5*9)+(4*8)+(3*0)+(2*7)+(1*2)=184
184 % 10 = 4
So 1049980-72-4 is a valid CAS Registry Number.