856414-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856414-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,4,1 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 856414-40:
(8*8)+(7*5)+(6*6)+(5*4)+(4*1)+(3*4)+(2*4)+(1*0)=179
179 % 10 = 9
So 856414-40-9 is a valid CAS Registry Number.