81650-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81650-04-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81650-04:
(7*8)+(6*1)+(5*6)+(4*5)+(3*0)+(2*0)+(1*4)=116
116 % 10 = 6
So 81650-04-6 is a valid CAS Registry Number.