81359-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81359-04-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,5 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81359-04:
(7*8)+(6*1)+(5*3)+(4*5)+(3*9)+(2*0)+(1*4)=128
128 % 10 = 8
So 81359-04-8 is a valid CAS Registry Number.