1425040-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1425040-21-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,5,0,4 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1425040-21:
(9*1)+(8*4)+(7*2)+(6*5)+(5*0)+(4*4)+(3*0)+(2*2)+(1*1)=106
106 % 10 = 6
So 1425040-21-6 is a valid CAS Registry Number.