128049-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128049-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,4 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128049-16:
(8*1)+(7*2)+(6*8)+(5*0)+(4*4)+(3*9)+(2*1)+(1*6)=121
121 % 10 = 1
So 128049-16-1 is a valid CAS Registry Number.