Cas 29903-59-1,9-(o-tolyl)-9H-xanthene

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Check Digit Verification of cas no

The CAS Registry Mumber 29903-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,9,0 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 29903-59:
(7*2)+(6*9)+(5*9)+(4*0)+(3*3)+(2*5)+(1*9)=141
141 % 10 = 1
So 29903-59-1 is a valid CAS Registry Number.

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29903-59-1Relevant articles and documents

Direct Arylation of Benzyl Ethers with Organozinc Reagents

Peng, Zhihua,Wang, Yilei,Yu, Zhi,Zhao, Dezhi,Song, Linhua,Jiang, Cuiyu

, p. 7900 - 7906 (2018)

A novel C(sp3)-H bond arylation of benzyl ethers with Knochel-type arylzinc reagents has been developed. This transition-metal-catalyst-free reaction proceeds well under mild conditions in a simple and effective manner and enables the synthesis of a wide range of potentially biologically active benzyl ethers by using highly functionalized organozinc reagents as a carbon nucleophile.

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CAS

29903-59-1