129046-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129046-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,0,4 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129046-91:
(8*1)+(7*2)+(6*9)+(5*0)+(4*4)+(3*6)+(2*9)+(1*1)=129
129 % 10 = 9
So 129046-91-9 is a valid CAS Registry Number.