129346-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129346-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,4 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129346-17:
(8*1)+(7*2)+(6*9)+(5*3)+(4*4)+(3*6)+(2*1)+(1*7)=134
134 % 10 = 4
So 129346-17-4 is a valid CAS Registry Number.