129535-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129535-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,5,3 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129535-81:
(8*1)+(7*2)+(6*9)+(5*5)+(4*3)+(3*5)+(2*8)+(1*1)=145
145 % 10 = 5
So 129535-81-5 is a valid CAS Registry Number.