1164457-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164457-90-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,4,5 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1164457-90:
(9*1)+(8*1)+(7*6)+(6*4)+(5*4)+(4*5)+(3*7)+(2*9)+(1*0)=162
162 % 10 = 2
So 1164457-90-2 is a valid CAS Registry Number.