1429121-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1429121-56-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,1,2 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1429121-56:
(9*1)+(8*4)+(7*2)+(6*9)+(5*1)+(4*2)+(3*1)+(2*5)+(1*6)=141
141 % 10 = 1
So 1429121-56-1 is a valid CAS Registry Number.