806636-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 806636-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,6,6,3 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 806636-05:
(8*8)+(7*0)+(6*6)+(5*6)+(4*3)+(3*6)+(2*0)+(1*5)=165
165 % 10 = 5
So 806636-05-5 is a valid CAS Registry Number.