Cas 2653-43-2,vinyl 2-methylbenzoate

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Check Digit Verification of cas no

The CAS Registry Mumber 2653-43-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,5 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2653-43:
(6*2)+(5*6)+(4*5)+(3*3)+(2*4)+(1*3)=82
82 % 10 = 2
So 2653-43-2 is a valid CAS Registry Number.

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2653-43-2Relevant articles and documents

Reusable rhodium catalyst for the selective transvinylation of sp2-C linked carboxylic acid

Jiang, Ruihang,Chen, Zhangpei,Zhan, Kun,Liu, Lei,Zhou, Junjie,Ai, Yongjian,Li, Shuang,Bao, Hongjie,Hu, Ze'nan,Qi, Li,Wang, Jingting,Sun, Hong-bin

, p. 3279 - 3282 (2018/07/21)

The vinyl benzoate derivatives were successfully synthesized by the transvinylation reactions that vinyl group transferred from vinyl acetate to aromatic carboxylic acids with the recoverable catalyst RhCl3·3H2O. This catalyst features air stable and tolerance of water, good reusable ability, meanwhile, shows high selectivity for aromatic carboxylic acid in the presence of phenolic hydroxyl. With this method, a variety of vinyl benzoate derivatives can be produced with up to 95% yield.

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CAS

2653-43-2