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835-12-1

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835-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 835-12-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 835-12:
(5*8)+(4*3)+(3*5)+(2*1)+(1*2)=71
71 % 10 = 1
So 835-12-1 is a valid CAS Registry Number.

835-12-1Relevant articles and documents

Synthesis of 9-substituted fluorenols and heteroring-fused analogues by intramolecular ch functionalization

Kurimoto, Yuji,Mitsudo, Koichi,Suga, Seiji

supporting information, p. 378 - 381 (2021/03/15)

A method for the selective synthesis of 9-substituted fluorenols (FOLs) was developed by suppressing intermolecular cyclization and promoting intramolecular CH functionalization. This protocol was applied to the synthesis of heteroring-fused FOLs. Further, the obtained FOLs were converted to fulvenes by dehydration.

Synthesis of Substituted Naphthalenes by 1,4-Palladium Migration Involved Annulation with Internal Alkynes

Wei, Dong,Hu, Tian-Jiao,Feng, Chen-Guo,Lin, Guo-Qiang

supporting information, p. 743 - 748 (2018/07/25)

The palladium catalyzed annulation of 1-bromo-2-vinylbenzene derivatives with internal alkynes was realized for the efficient synthesis of substituted naphthalenes. A controllable aryl to vinylic 1,4-palladium migration process is the key for success.

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