1603105-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1603105-49-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,3,1,0 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1603105-49:
(9*1)+(8*6)+(7*0)+(6*3)+(5*1)+(4*0)+(3*5)+(2*4)+(1*9)=112
112 % 10 = 2
So 1603105-49-2 is a valid CAS Registry Number.