129290-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129290-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,9 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129290-84:
(8*1)+(7*2)+(6*9)+(5*2)+(4*9)+(3*0)+(2*8)+(1*4)=142
142 % 10 = 2
So 129290-84-2 is a valid CAS Registry Number.