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1,4-Benzenedipropanoic acid, 2,5-dimethoxy-, diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

82997-81-7

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82997-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82997-81-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,9 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82997-81:
(7*8)+(6*2)+(5*9)+(4*9)+(3*7)+(2*8)+(1*1)=187
187 % 10 = 7
So 82997-81-7 is a valid CAS Registry Number.

82997-81-7Relevant academic research and scientific papers

Synthesis of Bipyridyl-, Viologen-, and Quinone-bridged Porphyrins

Leighton, Philip,Sanders, Jeremy K. M.

, p. 2385 - 2394 (2007/10/02)

Mesoporphyrin-II has been bridged by several 2,2'-hydroxymethyl-substituted 4,4'-bipyridine compounds.N-Methylation of the bipyridine bridge groups yielded viologen-bridged porphyrins which have unusual aggregation and fluorescence properties.An improved route to quinone-bridged porphyrins is also reported.

Quinone-capped Porphyrins: Synthesis and some Chemical Properties

Ganesh, K. Nagappa,Sanders, Jeremy K. M.

, p. 1611 - 1616 (2007/10/02)

The 2,5-bis(hydroxyethyl) and 2,5-bis(hydroxypropyl) derivatives of hydroquinone bis(methoxymethyl) ether have been synthesised and used to 'cap' mesoporphyrin-II.Deprotection, oxidation, and metallation gave the title compounds.Several anomalous reactivi

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