81256-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81256-34-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,5 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81256-34:
(7*8)+(6*1)+(5*2)+(4*5)+(3*6)+(2*3)+(1*4)=120
120 % 10 = 0
So 81256-34-0 is a valid CAS Registry Number.