1049803-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1049803-05-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,9,8,0 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1049803-05:
(9*1)+(8*0)+(7*4)+(6*9)+(5*8)+(4*0)+(3*3)+(2*0)+(1*5)=145
145 % 10 = 5
So 1049803-05-5 is a valid CAS Registry Number.