1423809-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1423809-80-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,8,0 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1423809-80:
(9*1)+(8*4)+(7*2)+(6*3)+(5*8)+(4*0)+(3*9)+(2*8)+(1*0)=156
156 % 10 = 6
So 1423809-80-6 is a valid CAS Registry Number.