821000-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 821000-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,1,0,0 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 821000-47:
(8*8)+(7*2)+(6*1)+(5*0)+(4*0)+(3*0)+(2*4)+(1*7)=99
99 % 10 = 9
So 821000-47-9 is a valid CAS Registry Number.