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129227-08-3

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129227-08-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129227-08-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,2 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129227-08:
(8*1)+(7*2)+(6*9)+(5*2)+(4*2)+(3*7)+(2*0)+(1*8)=123
123 % 10 = 3
So 129227-08-3 is a valid CAS Registry Number.

129227-08-3Relevant articles and documents

Syntheses of [1,2,4]triazolo[1,5-: A] benzazoles enabled by the transition-metal-free oxidative N-N bond formation

Shang, Erchang,Zhang, Junzhi,Bai, Jinyi,Wang, Zhan,Li, Xiang,Zhu, Bing,Lei, Xiaoguang

supporting information, p. 7028 - 7031 (2016/06/09)

A transition-metal-free oxidative N-N bond formation strategy was developed to generate various structurally interesting [1,2,4]triazolo[1,5-a]benzazoles efficiently. The mechanism of the key oxidative N-N bond formation was investigated by using an intramolecular competition reaction. Notably, the first single crystal structure was also obtained to confirm the structure of 2-aryl[1,2,4]triazolo[1,5-a]benzimidazole.

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