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(E)-5-chloro-3-(2-nitroethenyl)-2-phenyl-1H-indole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221695-56-3

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221695-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221695-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,6,9 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221695-56:
(8*2)+(7*2)+(6*1)+(5*6)+(4*9)+(3*5)+(2*5)+(1*6)=133
133 % 10 = 3
So 221695-56-3 is a valid CAS Registry Number.

221695-56-3Relevant academic research and scientific papers

N-acyl-5- and -2,5-substituted tryptamines: Synthesis, activity and affinity for human mt1 and mt2 melatonin receptors

Spadoni, Gilberto,Balsamini, Cesarino,Bedini, Annalida,Carey, Aedin,Diamantini, Giuseppe,Di Giacomo, Barbara,Tontini, Andrea,Tarzia, Giorgio,Nonno, Romolo,Lucini, Valeria,Pannacci, Marilou,Michaylov Stankov, Bojidar,Fraschini, Franco

, p. 487 - 498 (2007/10/03)

The synthesis and in vitro evaluation of a number of N-acyltryptamines are reported. Structural changes include the N-acyl group and the 5- (H,CH3,Halogen), and 2- (Br, Ph) substituents. 5Br (6d) and 2,5-diBr (6j) proved to be high affinity melatonin agonists, thus proving that Br can substitute for the 5-OMe group without loss of affinity to melatonin receptors (mt1, MT2). 6j is the first example of a melatonin agonist devoid of the 5-OMe group and endowed with better affinity for mt1 and MT2 receptors than that of melatonin itself. SAR for selectivity and intrinsic activity of the title compounds were also drawn.

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