90047-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90047-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,4 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90047-19:
(7*9)+(6*0)+(5*0)+(4*4)+(3*7)+(2*1)+(1*9)=111
111 % 10 = 1
So 90047-19-1 is a valid CAS Registry Number.