1239944-23-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239944-23-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,9,4 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1239944-23:
(9*1)+(8*2)+(7*3)+(6*9)+(5*9)+(4*4)+(3*4)+(2*2)+(1*3)=180
180 % 10 = 0
So 1239944-23-0 is a valid CAS Registry Number.