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7-phenyl-1H-thiazolo[4,5-g]indazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21444-07-5

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21444-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21444-07-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,4,4 and 4 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21444-07:
(7*2)+(6*1)+(5*4)+(4*4)+(3*4)+(2*0)+(1*7)=75
75 % 10 = 5
So 21444-07-5 is a valid CAS Registry Number.

21444-07-5Downstream Products

21444-07-5Relevant academic research and scientific papers

Iron-Promoted Three-Component 2-Substituted Benzothiazole Formation via Nitroarene ortho-C-H Sulfuration with Elemental Sulfur

Xing, Qiaoyan,Ma, Yanfeng,Xie, Hao,Xiao, Fuhong,Zhang, Feng,Deng, Guo-Jun

, p. 1238 - 1246 (2019)

A three-component procedure for the preparation of 2-substituted benzothiazoles from nitroarenes, alcohols, and sulfur powder is described. The reaction showed a good functional group tolerance to provide the heterocyclic products in moderate to good yields. The sequential assembly involving nitro reduction, C-N condensation, and C-S bond formation has been realized in one pot.

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