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1-mesityl-1H-tetraazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

263756-34-9

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263756-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263756-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,7,5 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 263756-34:
(8*2)+(7*6)+(6*3)+(5*7)+(4*5)+(3*6)+(2*3)+(1*4)=159
159 % 10 = 9
So 263756-34-9 is a valid CAS Registry Number.

263756-34-9Downstream Products

263756-34-9Relevant articles and documents

Practical synthesis of tetrazoles from amides and phosphorazidates in the presence of aromatic bases

Ishihara, Kotaro,Ishihara, Kazuki,Tanaka, Yota,Shioiri, Takayuki,Matsugi, Masato

supporting information, (2022/02/02)

Tetrazoles were effectively synthesized from amides using diphenyl phosphorazidate or bis(p-nitrophenyl) phosphorazidate in the presence of aromatic bases. Various amides underwent the proposed cycloaddition reaction to provide the corresponding tetrazoles. Studies on the racemization of chiral substrates were also performed. Overall, the proposed synthesis method enables the preparation of 1,5-disubstituted and 1-substituted tetrazoles, and 5-substituted 1H-tetrazoles without using toxic or explosive reagents.

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