56164-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56164-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,6 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 56164-68:
(7*5)+(6*6)+(5*1)+(4*6)+(3*4)+(2*6)+(1*8)=132
132 % 10 = 2
So 56164-68-2 is a valid CAS Registry Number.