856343-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856343-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,3,4 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 856343-73:
(8*8)+(7*5)+(6*6)+(5*3)+(4*4)+(3*3)+(2*7)+(1*3)=192
192 % 10 = 2
So 856343-73-2 is a valid CAS Registry Number.