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93159-25-2

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93159-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93159-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,1,5 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 93159-25:
(7*9)+(6*3)+(5*1)+(4*5)+(3*9)+(2*2)+(1*5)=142
142 % 10 = 2
So 93159-25-2 is a valid CAS Registry Number.

93159-25-2Relevant articles and documents

Enantioselective Bromolactonization of Deactivated Olefinic Acids

Jiang, Xiaojian,Liu, Shenghui,Yang, Si,Jing, Mei,Xu, Lipeng,Yu, Pei,Wang, Yuqiang,Yeung, Ying-Yeung

supporting information, p. 3259 - 3262 (2018/06/11)

A novel enantioselective bromolactonization of α,β-unsaturated ketones using bifunctional amino-urea catalysts has been developed. The scope of the reaction is evidenced by 23 examples of halolactones bearing various functionalities with up to 99% yield a

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