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2-(4-Methoxy-phenyl)-5-oxa-3,3a-diaza-cyclopenta[a]naphthalen-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

108290-22-8

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108290-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108290-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,2,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 108290-22:
(8*1)+(7*0)+(6*8)+(5*2)+(4*9)+(3*0)+(2*2)+(1*2)=108
108 % 10 = 8
So 108290-22-8 is a valid CAS Registry Number.

108290-22-8Downstream Products

108290-22-8Relevant academic research and scientific papers

The Preparation of Selected Benzopyranopyrazoles by the Condensation of C(α),N-Dilithiocarboalkoxyhydrazones and Salicylate Esters

Huff, Ann M.,Beam, Charles F.

, p. 1343 - 1346 (2007/10/02)

Selected C(α),N-dilithiocarboalkoxyhydrazones were prepared in an excess of lithium diisopropylamide (LDA) and condensed with a variety of salicylate esters to give intermediates that were acid-cyclized to benzopyranopyrazoles (coumarin-pyrazoles).

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