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11-(4-Ethoxy-phenyl)-1,3-dimethyl-10,11-dihydro-1H,6aH-6,9-dioxa-1,3,5,11-tetraaza-pentaleno[1,6a-a]naphthalene-2,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99240-30-9

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99240-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99240-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,2,4 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99240-30:
(7*9)+(6*9)+(5*2)+(4*4)+(3*0)+(2*3)+(1*0)=149
149 % 10 = 9
So 99240-30-9 is a valid CAS Registry Number.

99240-30-9Downstream Products

99240-30-9Relevant academic research and scientific papers

Studies of Pyrimidine-2,4-diones: Synthesis of Novel Condensed Pyridopyrimidines via Intramolecular Cycloadditions

Prajapati, Dipak,Bhuyan, Pulakjyoti,Sandhu, Jagir Singh

, p. 607 - 610 (2007/10/02)

Suitably functionalised pyrimidine-2,4-diones (1) cyclised intramolecularly to yield the novel furoisoxazolopyridopyrimidines (5) and (9) in excellent yields.Remarkably, the pyrimidone nucleus was unaffected nor were there any side-reactions in this synthesis.

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