19334-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19334-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,3 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19334-19:
(7*1)+(6*9)+(5*3)+(4*3)+(3*4)+(2*1)+(1*9)=111
111 % 10 = 1
So 19334-19-1 is a valid CAS Registry Number.