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97024-55-0

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97024-55-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97024-55-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,2 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97024-55:
(7*9)+(6*7)+(5*0)+(4*2)+(3*4)+(2*5)+(1*5)=140
140 % 10 = 0
So 97024-55-0 is a valid CAS Registry Number.

97024-55-0Relevant articles and documents

Synthesis of Novel C 2-Symmetric Sulfur-Based Catalysts: Asymmetric Formation of Halo- and Seleno-Functionalized Normal- and Medium-Sized Rings

Jana, Sadhan,Kumar, Sangit,Rathore, Vandana,Verma, Ajay

, p. 1667 - 1672 (2019/08/28)

The synthesis of novel, highly functionalized, C 2 -symmetric sulfur-based catalysts is developed and their catalytic applications are explored in asymmetric bromo-, iodo- and seleno-functionalizations of alkenoic acids. This protocol provides

Electrophilic Bromolactonization of Cyclopropyl Carboxylic Acids Using Lewis Basic Sulfide Catalyst

Ke, Zhihai,Wong, Ying-Chieh,See, Jie Yang,Yeung, Ying-Yeung

supporting information, p. 1719 - 1724 (2016/06/09)

A highly facile and efficient electrophilic bromolactonization of cyclopropylcarboxylic acids could be effected by a Lewis basic sulfide catalyst. Mechanistic studies performed revealed that the cyclopropane substrates could undergo radical bromination upon exposure to light, yielding a mixture of regioisomers. In stark contrast, the Lewis basic sulfide catalyst could promote the electrophilic bromolactonization and yield the Markovnikov product exclusively.

An organocatalytic asymmetric chlorolactonization

Whitehead, Daniel C.,Yousefi, Roozbeh,Jaganathan, Arvind,Borhan, Babak

supporting information; experimental part, p. 3298 - 3300 (2010/05/01)

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