1421262-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421262-04-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,2,6 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1421262-04:
(9*1)+(8*4)+(7*2)+(6*1)+(5*2)+(4*6)+(3*2)+(2*0)+(1*4)=105
105 % 10 = 5
So 1421262-04-5 is a valid CAS Registry Number.