170991-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170991-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,9,9 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 170991-45:
(8*1)+(7*7)+(6*0)+(5*9)+(4*9)+(3*1)+(2*4)+(1*5)=154
154 % 10 = 4
So 170991-45-4 is a valid CAS Registry Number.
170991-45-4Relevant academic research and scientific papers
Optically active compound, liquid crystal composition containing the same, liquid crystal device using the same, liquid crystal apparatus and display method
-
, (2008/06/13)
An optically active compound represented by the formula R1 --A1 --A2 --X1 --A3 --(CH2)p --L--A4 --R2, in which R1 is F, CN or straight chain, bra