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Urea, N-[9,10-dihydro-9,10-dioxo-2-(phenylethynyl)-1-anthracenyl]-N'-phenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138058-32-9

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138058-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138058-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,5 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138058-32:
(8*1)+(7*3)+(6*8)+(5*0)+(4*5)+(3*8)+(2*3)+(1*2)=129
129 % 10 = 9
So 138058-32-9 is a valid CAS Registry Number.

138058-32-9Relevant academic research and scientific papers

CYCLIZATION OF N-(2-R-1-ANTHRAQUINONYL)UREAS TO ANTHRAPYRIMIDINE DERIVATIVES

Savel'ev, V. A.,Loskutov, V. A.

, p. 621 - 623 (1991)

3-Phenyl-1H-naphthoquinazoline-2,4,7,12-tetrone and 3-phenyl-4-benzylidene-1H-naphthoquinazoline-2,7,12-trione were synthesized by intramolecular cyclization in the KOH-DMSO system of anthraquinonylureas with a phenylethynyl or carboxy group

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