129455-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129455-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,5 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129455-26:
(8*1)+(7*2)+(6*9)+(5*4)+(4*5)+(3*5)+(2*2)+(1*6)=141
141 % 10 = 1
So 129455-26-1 is a valid CAS Registry Number.