1421737-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421737-89-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,7,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1421737-89:
(9*1)+(8*4)+(7*2)+(6*1)+(5*7)+(4*3)+(3*7)+(2*8)+(1*9)=154
154 % 10 = 4
So 1421737-89-4 is a valid CAS Registry Number.
1421737-89-4Relevant academic research and scientific papers
PHOTOALIGNING MATERIAL
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Page/Page column 53-54, (2013/03/26)
The present invention relates to a copolymer for the photoalignment of liquid crystals comprising a photoreactive group as given below in formula (I), compositions thereof, and its use for optical and electro optical devices, especially liquid crystal dev