Cas 1121935-92-9,C15H15F3N2O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1121935-92-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,1,9,3 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1121935-92:
(9*1)+(8*1)+(7*2)+(6*1)+(5*9)+(4*3)+(3*5)+(2*9)+(1*2)=129
129 % 10 = 9
So 1121935-92-9 is a valid CAS Registry Number.

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1121935-92-9Relevant academic research and scientific papers

One-pot synthesis of trifluoromethyl-containing pyrazoles via sequential Yb(PFO)3-catalyzed three-component reaction and IBX-mediated oxidation

Shen, Li,Zhang, Jian,Cao, Song,Yu, Jinlong,Liu, Nianjin,Wu, Jingjing,Qian, Xuhong

, p. 3058 - 3062 (2008)

Fourteen trifluoromethyl-containing fully substituted pyrazoles were synthesized via Yb(PFO)3-catalyzed three-component condensations of aromatic hydrazines, aldehydes, and ethyl trifluoroacetoacetate, followed by IBX-mediated oxidation of pyrazolones. A possible mechanism is suggested. Georg Thieme Verlag Stuttgart.

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