856164-44-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856164-44-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,1,6 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 856164-44:
(8*8)+(7*5)+(6*6)+(5*1)+(4*6)+(3*4)+(2*4)+(1*4)=188
188 % 10 = 8
So 856164-44-8 is a valid CAS Registry Number.