29107-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29107-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,1,0 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 29107-99:
(7*2)+(6*9)+(5*1)+(4*0)+(3*7)+(2*9)+(1*9)=121
121 % 10 = 1
So 29107-99-1 is a valid CAS Registry Number.