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52955-65-4

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52955-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52955-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,5 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52955-65:
(7*5)+(6*2)+(5*9)+(4*5)+(3*5)+(2*6)+(1*5)=144
144 % 10 = 4
So 52955-65-4 is a valid CAS Registry Number.

52955-65-4Relevant articles and documents

Electrochemically promoted synthesis of polysubstituted oxazoles from β-diketone derivatives and benzylamines under mild conditions

Yuan, Gaoqing,Zhu, Zechen,Gao, Xiaofang,Jiang, Huanfeng

, p. 24300 - 24303 (2014/06/24)

An efficient electrochemical synthesis of poly-substituted oxazoles from readily available β-diketone derivatives and benzylamines is described. This electrochemical procedure does not need hazardous oxidants and transition metal catalysts as well as molecular I2 additives. Compared with the traditional thermo-chemical method, the present electrochemical method is greener and more efficient. The Royal Society of Chemistry 2014.

Photochemistry of 4-Acylisoxazoles

Sauers, R. R.,Hadel, L. M.,Scimone, A. A.,Stevenson, T. A.

, p. 4011 - 4019 (2007/10/02)

The photochemistry of 4-acylisoxazoles 4, 5, 13, 14, and 17 was investigated in an effort to clarify literature contradictions and anomalies and to provide a more detailed picture of the nature and number of intermediates involved in photoreactions of these systems.In contrast to a previous report on the photorearrangement of 14, both oxazoles expected from a 2H-azirine intermediate have been observed.Wavelength studies of 5 and the derived 2H-azirine 10 revealed evidence for the involvement of at least two distinct product-forming intermediates.The results of quantum yield and laser photolysis measurements for ketones 4, 14, and 17 have been interpreted in terms of rapid openings of triplet states to form diradical-like intermediates coupled with efficient reclosures (70-99percent).

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