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155394-21-1

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155394-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155394-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,3,9 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 155394-21:
(8*1)+(7*5)+(6*5)+(5*3)+(4*9)+(3*4)+(2*2)+(1*1)=141
141 % 10 = 1
So 155394-21-1 is a valid CAS Registry Number.

155394-21-1Relevant articles and documents

Copper-catalyzed intramolecular N-arylation of quinazolinones: Facile convergent approach to (-)-circumdatins H and J

Kshirsagar, Umesh A.,Argade, Narshinha P.

supporting information; experimental part, p. 3716 - 3719 (2010/11/04)

A copper-catalyzed intramolecular N-arylation of a quinazolinone nucleus that furnished the central benzodiazepine core unit has been demonstrated to accomplish an efficient convergent total synthesis of (-)-circumdatins H and J.

SYNTHESIS OF 7-AZABICYCLOHEPTANE AND 8-AZABICYCLOOCTANE SYSTEMS USING RADICAL CYCLIZATION

Sato, Tatsunori,Mori, Tomiyo,Sugiyama, Tadakatsu,Ishibashi, Hiroyuki,Ikeda, Masazumi

, p. 245 - 248 (2007/10/02)

A new method for the synthesis of the titled systems using cyclization of the α-acylamino radicals generated from methyl N-(o-bromobenzoyl)-2-(prop-2-enyl)pyrrolidine-2-carboxylates and the piperidine congener by Bu3SnH-mediated radical translocation reaction is described.

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