856206-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856206-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,2,0 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 856206-84:
(8*8)+(7*5)+(6*6)+(5*2)+(4*0)+(3*6)+(2*8)+(1*4)=183
183 % 10 = 3
So 856206-84-3 is a valid CAS Registry Number.