1402905-24-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1402905-24-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,9,0 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1402905-24:
(9*1)+(8*4)+(7*0)+(6*2)+(5*9)+(4*0)+(3*5)+(2*2)+(1*4)=121
121 % 10 = 1
So 1402905-24-1 is a valid CAS Registry Number.