29105-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29105-55-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,1,0 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 29105-55:
(7*2)+(6*9)+(5*1)+(4*0)+(3*5)+(2*5)+(1*5)=103
103 % 10 = 3
So 29105-55-3 is a valid CAS Registry Number.