1402129-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1402129-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,1,2 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1402129-56:
(9*1)+(8*4)+(7*0)+(6*2)+(5*1)+(4*2)+(3*9)+(2*5)+(1*6)=109
109 % 10 = 9
So 1402129-56-9 is a valid CAS Registry Number.