42421-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42421-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,4,2 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42421-72:
(7*4)+(6*2)+(5*4)+(4*2)+(3*1)+(2*7)+(1*2)=87
87 % 10 = 7
So 42421-72-7 is a valid CAS Registry Number.
42421-72-7Relevant academic research and scientific papers
4-(DIMETHYLAMINO)BENZYLIDENE-AMINO.
Matsunaga,Suzuki
, p. 1411 - 1412 (2007/10/02)
Smectic A liquid crystals are formed not only in systems with normal alkyl esters but also with esters of branched alkyl groups such as t-butyl, 1,2-dimethylpropyl, and 1-ethylpropyl.
