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58661-15-7

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58661-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58661-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,6,6 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 58661-15:
(7*5)+(6*8)+(5*6)+(4*6)+(3*1)+(2*1)+(1*5)=147
147 % 10 = 7
So 58661-15-7 is a valid CAS Registry Number.

58661-15-7Upstream product

58661-15-7Downstream Products

58661-15-7Relevant articles and documents

4,5-Dimethyl-2-Iodoxybenzenesulfonic Acid Catalyzed Site-Selective Oxidation of 2-Substituted Phenols to 1,2-Quinols

Uyanik, Muhammet,Mutsuga, Tatsuya,Ishihara, Kazuaki

supporting information, p. 3956 - 3960 (2017/03/27)

A site-selective hydroxylative dearomatization of 2-substituted phenols to either 1,2-benzoquinols or their cyclodimers, catalyzed by 4,5-dimethyl-2-iodoxybenzenesulfonic acid with Oxone, has been developed. Natural products such as biscarvacrol and lacinilene C methyl ether could be synthesized efficiently under mild reaction conditions. Furthermore, both the reaction rate and site selectivity could be further improved by the introduction of a trialkylsilylmethyl substituent at the 2-position of phenols. The corresponding 1,2-quinols could be transformed into various useful structural motifs by [4+2] cycloaddition cascade reactions.

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