1239461-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239461-56-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,4,6 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1239461-56:
(9*1)+(8*2)+(7*3)+(6*9)+(5*4)+(4*6)+(3*1)+(2*5)+(1*6)=163
163 % 10 = 3
So 1239461-56-3 is a valid CAS Registry Number.