129266-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129266-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,6 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129266-19:
(8*1)+(7*2)+(6*9)+(5*2)+(4*6)+(3*6)+(2*1)+(1*9)=139
139 % 10 = 9
So 129266-19-9 is a valid CAS Registry Number.