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1286280-47-4

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1286280-47-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1286280-47-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,6,2,8 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1286280-47:
(9*1)+(8*2)+(7*8)+(6*6)+(5*2)+(4*8)+(3*0)+(2*4)+(1*7)=174
174 % 10 = 4
So 1286280-47-4 is a valid CAS Registry Number.

1286280-47-4Relevant articles and documents

Concise synthesis of broussonone A

Jo, Hyeju,Choi, Minho,Viji, Mayavan,Lee, Young Hee,Kwak, Young-Shin,Lee, Kiho,Choi, Nam Song,Lee, Yeon-Ju,Lee, Heesoon,Hong, Jin Tae,Lee, Mi Kyeong,Jung, Jae-Kyung

, p. 15966 - 15975 (2015/12/01)

A concise and expeditious approach to the total synthesis of broussonone A, a p-quinol natural compound, has been developed. The key features of the synthesis include the Grubbs II catalyst mediated cross metathesis of two aromatic subunits, and a chemoselective oxidative dearomatizationin the presence of two phenol moieties. Especially, optimization associated with the CM reaction of ortho-alkoxystyrenes was also studied, which are known to be ineffective for Ru-catalyzed metathesis reactions under conventional reaction conditions because ortho-alkoxy group could coordinate to the ruthenium center, resulting in the potential complication of catalyst inhibition.

Enantioselective total synthesis of hydramicromelin B

Huo, Xing,Ren, Xingfeng,Xu, Yanfen,Li, Xinyun,She, Xuegong,Pan, Xinfu

, p. 343 - 347 (2008/09/19)

The first total synthesis of hydramicromelin B is described. An AuCl3/AgOTf-catalyzed intramolecular reaction was used as key step for the construction the coumarin ring.

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