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28524-64-3

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28524-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28524-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,2 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28524-64:
(7*2)+(6*8)+(5*5)+(4*2)+(3*4)+(2*6)+(1*4)=123
123 % 10 = 3
So 28524-64-3 is a valid CAS Registry Number.

28524-64-3Downstream Products

28524-64-3Relevant articles and documents

Synthesis of New [1,2,4]Triazolo[1,5-a]pyrimidine Derivatives: Reactivity of 3-Amino[1,2,4]triazole towards Enaminonitriles and Enaminones

Alnajjar, Abdulaziz,Abdelkhalik, Mervat Mohammed,Raslan, Mohamed Abdelmonem,Ibraheem, Solwan Maher,Sadek, Kamal Usef

, p. 1804 - 1808 (2018/07/25)

A diversity of new 7-substituted[1,2,4]triazolo[1,5-a]pyrimidine and 6-substituted[1,2,4]triazolo[1,5-a]pyrimidine-7-amine derivatives has been synthesized via reaction of 3-amino-[1,2,4]triazole with enaminonitriles and enaminones. The regio orientation and the structure of the products were confirmed by spectral and analytical data and synthesis via an alternative route. The procedure proved to be simple, efficient, and high yielding, and diversities of [1,2,4]triazolo[1,5-a]pyrimidines were obtained.

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