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Benzaldehyde, 4,4'-(1,5-pentanediyl)bis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

851393-67-4

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851393-67-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851393-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,3,9 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 851393-67:
(8*8)+(7*5)+(6*1)+(5*3)+(4*9)+(3*3)+(2*6)+(1*7)=184
184 % 10 = 4
So 851393-67-4 is a valid CAS Registry Number.

851393-67-4Relevant academic research and scientific papers

A bridging double bond as an electron acceptor for optical nonlinearity of furan-containing [n.2]cyclophenes

Lin, Hsin-Chieh,Lin, Wei-Yu,Bai, Hao-Tien,Chen, Jia-Hong,Jin, Bih-Yaw,Luh, Tien-Yau

, p. 897 - 900 (2007/10/03)

All in the twist: Unusually large Stokes shifts and nonlinear optical properties are exhibited by furan-containing teraryl cyclophene derivatives (see picture). These cyclophenes have neither particularly strong electron-donating nor electron-withdrawing

Reductive lithiation of 1,3-dimethyl-2-arylimidazolidines

Azzena, Ugo,Dettori, Giovanna,Pisano, Luisa,Siotto, Immacolata

, p. 3177 - 3182 (2007/10/03)

Naphthalene catalyzed lithiation of 1,3-dimethyl-2-phenylimidazolidine led to cleavage of the benzylic carbon-nitrogen bond, with formation of an intermediate dianion. Under similar conditions, 1,3-dimethyl-2-(4-chlorophenyl) imidazolidine underwent regioselective cleavage of the aromatic carbon-chlorine bond, leading to a 4-formylphenyllithium equivalent, whilst 1,3-dimethyl-2-(4- methoxymethylphenyl)imidazolidine underwent regioselective cleavage of the benzylic carbon-oxygen bond, leading to a 4-formylbenzyllithium equivalent.

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