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Acetic acid, (7-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91271-41-9

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91271-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91271-41-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,7 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91271-41:
(7*9)+(6*1)+(5*2)+(4*7)+(3*1)+(2*4)+(1*1)=119
119 % 10 = 9
So 91271-41-9 is a valid CAS Registry Number.

91271-41-9Downstream Products

91271-41-9Relevant academic research and scientific papers

An efficient synthesis of functionalized 6,10-dioxo-6,10-dihydro-5H- pyrido[1,2-a]quinoxalines and 6,10-dioxo-6,10-dihydropyrido[2,1-c][1,4] benzoxazines

Yavari, Issa,Souri, Sanaz,Sirouspour, Mehdi,Bayat, Mohammad J.

, p. 1921 - 1922 (2009)

An efficient synthesis of alkyl 8-hydroxy-6,10-dioxo-6,10-dihydro-5H- pyrido[1,2-a]quinoxaline-7-carboxylates and alkyl 8-hydroxy-6,10-dioxo-6,10- dihydropyrido[2,1-c][1,4]benzoxazine-7-carboxylates is described. This involves the reaction between malonyl dichloride and alkyl 2-[3,4-dihydro-3- oxoquinoxaline 2(1H)-ylidene]acetates or alkyl 2-(2-oxo-2H-benzo[b][1,4]oxazin- 3(4H)-ylidene)acetates in CH2Cl2 at room temperature. Georg Thieme Verlag Stuttgart.

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