81347-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81347-80-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,4 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81347-80:
(7*8)+(6*1)+(5*3)+(4*4)+(3*7)+(2*8)+(1*0)=130
130 % 10 = 0
So 81347-80-0 is a valid CAS Registry Number.