19339-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19339-23-2 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 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19339-23:
(7*1)+(6*9)+(5*3)+(4*3)+(3*9)+(2*2)+(1*3)=122
122 % 10 = 2
So 19339-23-2 is a valid CAS Registry Number.