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4-Methyl-9-phenyl-1,4-dihydro-10-oxa-1-aza-cyclohepta[b]naphthalene-5,11-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

181777-27-5

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181777-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181777-27-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,7,7 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 181777-27:
(8*1)+(7*8)+(6*1)+(5*7)+(4*7)+(3*7)+(2*2)+(1*7)=165
165 % 10 = 5
So 181777-27-5 is a valid CAS Registry Number.

181777-27-5Downstream Products

181777-27-5Relevant academic research and scientific papers

Preparation of p-benzoquinono[b]oxepines and their aromatic ring annulated derivatives

Kakusawa, Naoki,Inui, Kiyohiro,Kurita, Jyoji,Tsuchiya, Takashi

, p. 1601 - 1604 (2007/10/03)

Reaction of pyridazine N-oxides with 2,3-didehydrobenzoquinone resulted in the formation of the novel p-benzoquinono[b]oxepines, from which their aromatic ring annulated derivatives such as naphthoquinono-, anthraquinono-, 1-azanaphthoquinono-oxepines wer

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