29718-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29718-26-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,7,1 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 29718-26:
(7*2)+(6*9)+(5*7)+(4*1)+(3*8)+(2*2)+(1*6)=141
141 % 10 = 1
So 29718-26-1 is a valid CAS Registry Number.