29140-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29140-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,1,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 29140-20:
(7*2)+(6*9)+(5*1)+(4*4)+(3*0)+(2*2)+(1*0)=93
93 % 10 = 3
So 29140-20-3 is a valid CAS Registry Number.